Cast iron wireline-set bridge plug and retrievable bridge plug laid out before a run

Best bridge plug manufacturers in Asia

Published:

Bridge plug manufacturers in Asia that belong on a shortlist built from published facts come to thirteen: four in China, eight in India and one in the United Arab Emirates. Each names bridge plugs on its own site, says it makes them and lists an Asian address. Unranked and grouped by country, the list compares every maker on seven points.

If you are shortlisting the best bridge plug manufacturers in Asia, the removal criteria matter as much as the entry rules: a company comes off this list if its own website stops naming bridge plug products, describes it as a distributor or reseller, or drops its Asian address.

Maximus OIGA Private Limited publishes this guide and appears in it under the same rules as every other maker, judged on the same seven points.

Key takeaways

  • Thirteen bridge plug manufacturers in Asia meet this guide's rules: four in China, eight in India and one in the United Arab Emirates.
  • Ten of the thirteen name a retrievable bridge plug, four name a composite bridge plug or composite frac plug, and four name a dissolvable plug, all four of them in China.
  • Spec data, as size tables on the page or in a downloadable catalogue, is published by ten of the thirteen; Maximus OIGA Private Limited is one of the three that do not publish it.
  • Lead times are published by one maker on the list, Maximus OIGA Private Limited, the publisher of this guide, which states 1 to 4 weeks for standard bridge plug orders in its SpectraMax line.
  • Field support for the bridge plug run is stated by three makers whose own engineers support running; four more offer setting tools or general on-site service.
  • Certification and licence status is listed for no company, this guide's publisher included; the steps further down show how to check a licence claim on the public register and which documentation to ask for, so every entry is yours to verify.

In this guide

  • How did a manufacturer qualify for this list, and what would remove it?
  • How do the bridge plug manufacturers in Asia compare?
  • What does each manufacturer publish about its bridge plugs?
    • China
    • India
    • United Arab Emirates
  • What do almost none of these manufacturers publish?
  • Who supports the bridge plug run if your well is remote?
  • How do you choose a bridge plug manufacturer from this list?
  • What does this list not cover?
  • How can you verify any entry yourself?
  • How was this list researched, and how is an entry corrected?
  • Frequently asked questions
  • Who compiled this guide?

How did a manufacturer qualify for this list, and what would remove it?

A bridge plug manufacturer qualified for this list only if its own website named bridge plug products on a product page or in a catalogue, said the company manufactures them, and published an address in Asia.

Each rule is read strictly. A name in a menu or a homepage list is not enough, and neither is a marketplace listing or a frac plug on its own. The site has to say the company makes the plugs itself, in its own facility or with its own machining, assembly and testing, rather than distributing, reselling or sourcing them through partners.

Every maker that passed was then compared on the same seven criteria:

  1. Bridge plug types named: a permanent or drillable bridge plug, a retrievable bridge plug, a composite plug or a dissolvable plug.
  2. Where the company says it builds.
  3. Spec data published, as size or spec tables on the page or in a downloadable catalogue.
  4. Lead times published.
  5. Build to order stated.
  6. Order documentation named, such as the material test report, inspection and test plan, heat traceability and test record.
  7. Field running support stated.

In the tables, "Not stated" means the company's own site does not say it on the pages read. It does not mean the company cannot do it.

"Partly" means a weaker statement than the point asks for: sizes or materials on request rather than building to a drawing, setting tools or field engineers for other products rather than field support for the bridge plug run, or inspection and traceability mentioned without the documents being named.

A maker comes off the list if its site stops naming bridge plug products, describes the company as a distributor, agent or reseller rather than a maker, or drops its Asian address.

This list does not score certification and licence status, registration details, founding dates, installation counts, customer names, prices, or pressure and temperature ratings, because none of them is published evenly enough to compare. The verification steps further down show how to check the ones your approval process needs, and the results on the seven points are in the two tables below.

How do the bridge plug manufacturers in Asia compare?

The thirteen bridge plug manufacturers in Asia on this list all name bridge plug products and an Asian address; ten publish spec data, three state field running support, and one publishes lead times.

Table A shows the bridge plug types each maker names and where it builds. Table B shows what each one publishes on the other five points. Rows run by country, China, India and the United Arab Emirates, and alphabetically within each country.

Table A. Who makes what, and where

ManufacturerCountryWhere it says it buildsBridge plug types named
China   
Chongqing Weiyun Technology Development Co., Ltd. (Wingoil)ChinaBeibei District, ChongqingDissolvable frac bridge plugs, including all-metal and disintegrating versions
Dongying Yuxin Machinery Manufacturing Co., Ltd.ChinaDongying, ShandongComposite bridge plugs (fast-drill, fully drillable, stinger); dissolvable bridge plug
Jiangsu KEFENG Petrochemical Machinery Co., Ltd.ChinaFuning, Yancheng, JiangsuMechanical, wireline and hydraulic set bridge plugs, permanent and retrievable; composite frac plug; all-metal dissolvable frac plug
Jingzhou Sunrise Energy Technology Co., Ltd.ChinaJingzhou, HubeiDrillable and hydro-mechanical bridge plugs; retrievable bridge plugs; fast drill plug; dissolvable frac plug
India   
Completion Oil Tools Private LimitedIndiaKhushkhera, RajasthanDrillable wireline and mechanical set; wide range; retrievable wireline and mechanical set; hydro-mechanical
Gradwell Oilfield Private LimitedIndiaGurugram district, HaryanaDrillable wireline and mechanical set, including large and extra range sizes; hydro-mechanical; retrievable; composite
Impero Petro ToolsIndiaFaridabad, HaryanaWireline and mechanical set; hydro-mechanical; retrievable wireline and mechanical set
Maximus OIGA Private LimitedIndiaManjusar / Savli GIDC, Vadodara, GujaratCast iron tubing-set and wireline-set bridge plugs, including a slim wireline-set plug; two retrievable bridge plugs (five bridge plugs in the catalogue)
Oilmec Drilling Equipments Pvt. Ltd.IndiaPalwal, HaryanaPermanent drillable wireline and mechanical set; hydro-mechanical; retrievable wireline and mechanical set
Parveen Industries Pvt. Ltd.IndiaIgatpuri plant named; offices in Delhi and Navi MumbaiDrillable wireline set (Model A and BKR series); HM tubing set; standard and big bore frac plugs
Wellcare Oil Tools Private Ltd.IndiaAlwar, RajasthanDrillable wireline and mechanical set, including top set; retrievable wireline and mechanical set; hydro-mechanical
Wellsecure Oil Tools Private LimitedIndiaFaridabad, HaryanaDrillable wireline and mechanical set; retrievable wireline and mechanical set; hydro-mechanical
United Arab Emirates   
Aventus Oil ToolsUnited Arab EmiratesDubaiComposite; hydro-mechanical; permanent mechanical and wireline set; mechanical and wireline retrievable

Table B. What each one publishes

ManufacturerSpec dataLead timesBuild to orderOrder documentsField running support
China     
Chongqing Weiyun Technology Development Co., Ltd. (Wingoil)PublishedNot statedStatedNot statedPartly
Dongying Yuxin Machinery Manufacturing Co., Ltd.PublishedNot statedStatedPartlyNot stated
Jiangsu KEFENG Petrochemical Machinery Co., Ltd.PublishedNot statedPartlyPartlyPartly
Jingzhou Sunrise Energy Technology Co., Ltd.PublishedNot statedPartlyNot statedPartly
India     
Completion Oil Tools Private LimitedPublishedNot statedStatedNot statedPartly
Gradwell Oilfield Private LimitedPublishedNot statedPartlyNot statedStated
Impero Petro ToolsNot statedNot statedPartlyNot statedNot stated
Maximus OIGA Private LimitedNot statedPublished: 1 to 4 weeks for standard bridge plug orders; 4 to 12 weeks configured; 8 to 16 or more weeks engineered to orderStatedStatedNot stated
Oilmec Drilling Equipments Pvt. Ltd.PublishedNot statedStatedNot statedNot stated
Parveen Industries Pvt. Ltd.PublishedNot statedStatedNot statedNot stated
Wellcare Oil Tools Private Ltd.PublishedNot statedPartlyPartlyStated
Wellsecure Oil Tools Private LimitedNot statedNot statedPartlyNot statedNot stated
United Arab Emirates     
Aventus Oil ToolsPublishedNot statedStatedNot statedStated

Published or Stated: the company's own website says it. Partly: a weaker statement, such as sizes on request, setting tools only, or inspection mentioned without naming the documents. Not stated: not found on its own website, which does not mean the company cannot do it; ask.

Every cell comes from the company's own website, read the same way for all thirteen. Spec data is published by Wingoil, Dongying Yuxin, Jiangsu KEFENG, Jingzhou Sunrise, Completion Oil Tools, Gradwell Oilfield, Oilmec Drilling Equipments, Parveen Industries, Wellcare Oil Tools and Aventus Oil Tools. Lead times are published by Maximus OIGA Private Limited alone. Field running support is stated by Gradwell Oilfield, Wellcare Oil Tools and Aventus Oil Tools.

Maximus OIGA Private Limited has two "Not stated" cells: its three bridge plug catalogue pages carry no size table or datasheet, and its published model is that the buyer's service company or the operator runs the tools. Its catalogue names five bridge plugs, three in the cast iron line and two retrievable, and no composite plug; its SpectraMax rows were read from that catalogue exactly as every other maker's rows were read from theirs. Each manufacturer in turn follows below.

What does each manufacturer publish about its bridge plugs?

Each manufacturer below is described from its own website, in the same four parts: where it builds, the bridge plugs it names, what it publishes, and what to ask it for.

China

Chongqing Weiyun Technology Development Co., Ltd. (Wingoil)

Chongqing Weiyun Technology Development Co., Ltd. (Wingoil), based in Beibei District, Chongqing, names dissolvable plugs on its own website: an all-metal dissolvable frac bridge plug, a dissolvable frac plug, and fully dissolvable and disintegrating frac plugs. Its site says the company produces its soluble bridge plug itself. It publishes spec tables on three plug pages, offers a customised dissolving formula and time, and describes on-site technical services in general terms. Ask it for a written lead time, the order documents and who supports a run outside China.

Dongying Yuxin Machinery Manufacturing Co., Ltd.

Dongying Yuxin Machinery Manufacturing Co., Ltd., based in Shengli Industrial Park, Dongying, Shandong, names fast-drill, fully drillable and stinger composite bridge plugs and a dissolvable bridge plug on its own website. It says it combines engineering, machining, assembly and inspection there. It publishes a spec table on each plug page, says it reviews customer drawings and samples for material, tolerance, machining and batch production, and mentions material documentation in inspection planning. Ask it for a written lead time and a named list of order documents.

Jiangsu KEFENG Petrochemical Machinery Co., Ltd.

Jiangsu KEFENG Petrochemical Machinery Co., Ltd., based in Funing, Yancheng, Jiangsu, with branches in Dongying and Puyang, names mechanical, wireline and hydraulic-set bridge plugs, retrievable bridge plugs, double-grip hydraulic-set plugs, a composite frac plug and an all-metal dissolvable frac plug on its own website. It describes research, manufacturing, sales and service work, publishes a spec table on each plug page, offers other sizes and end connections on request, and supplies setting tools. Ask which site builds your plug, and ask for a written lead time and the document list.

Jingzhou Sunrise Energy Technology Co., Ltd.

Jingzhou Sunrise Energy Technology Co., Ltd., based in Yinhu Industrial Park, Shashi District, Jingzhou, Hubei, names MBP, HMBP, SWB, BP-1 and SCR-SV bridge plugs, SRB-2 and WRB retrievable bridge plugs, a fast drill plug and a dissolvable frac plug on its own website, and describes manufacturing, assembly and testing there. It publishes a spec table on each plug page, offers a mechanical setting tool and cuts threads to the customer's specification. Ask it for a written lead time, the order documents and who supports a run outside China.

India

Completion Oil Tools Private Limited

Completion Oil Tools Private Limited, based in RIICO Industrial Area, Khushkhera, Rajasthan, which its site labels its manufacturing base, names CT-series drillable bridge plugs set on wireline or mechanically, a wide range millable plug, retrievable plugs, a hydro-mechanical plug and a top-set wireline plug on its own website. It publishes a catalogue with specification tables, says it designs for each well condition, and names field engineers for packers and liner hangers. Ask whether they cover bridge plug setting, and ask for a written lead time and the documentation pack.

Gradwell Oilfield Private Limited

Gradwell Oilfield Private Limited, based in Village Uncha Mazra, Tehsil Pataudi, Gurugram district, Haryana, at an address its site labels office and works, names drillable wireline and mechanical set plugs including Big Boy, Mid Get and extra range sizes, a hydro-mechanical plug, retrievable plugs and a composite bridge plug on its own website. It publishes a catalogue with a specification guide and names dedicated field support engineers for training, hook-up, running and redressing of its products. Ask it for a written lead time and the documentation pack.

Impero Petro Tools

Impero Petro Tools, based in Saroorpur Industrial Area, Faridabad, Haryana, names wireline and mechanical set bridge plugs, a hydro-mechanical bridge plug, and mechanical and wireline set retrievable bridge plugs on its own website. It says its products are manufactured in its Faridabad facility. It publishes product descriptions and images and lists customisation capability, but no size tables, lead times or documentation list. Ask it for the datasheet for your size, a written lead time, the document list and who runs the tool.

Maximus OIGA Private Limited

Maximus OIGA Private Limited, based at one plant in Manjusar / Savli GIDC, Vadodara, Gujarat, names five bridge plugs on its own website: three cast iron plugs, including the SpectraMax HM and WBP, and two retrievable plugs, including the SpectraMax MSU. It publishes lead times by product class, 1 to 4 weeks for standard bridge plug orders, builds to order and names its order documents. It publishes no size tables, and the buyer's service company or the operator runs its tools. Ask for your size's datasheet with the quotation.

Oilmec Drilling Equipments Pvt. Ltd.

Oilmec Drilling Equipments Pvt. Ltd., based in Village Prithla, Palwal, Haryana, names OM-series permanent drillable plugs set on wireline or mechanically, a hydro-mechanical plug, and wireline and mechanical set retrievable plugs on its own website. It says its products are designed, assembled and tested at its own test well facility. It publishes a catalogue with specification guides and says it designs and manufactures for customer-specific applications. Ask it for a written lead time, the documentation pack and who runs the tool.

Parveen Industries Pvt. Ltd.

Parveen Industries Pvt. Ltd., based in Delhi and Navi Mumbai, names drillable wireline-set bridge plugs in the Model A and BKR series, HM tubing-set bridge plugs, and standard and big bore frac plugs on its own website. Its site names a plant at Igatpuri but no street address for it. It publishes dimensional data and a datasheet for each product and says special application tools can be custom designed. Ask which plant builds bridge plugs, and for a written lead time, the order documents and who runs the tool.

Wellcare Oil Tools Private Ltd.

Wellcare Oil Tools Private Ltd., based in RIICO Industrial Area, Khushkhera, Alwar, Rajasthan, where its site places its plant, names drillable wireline and mechanical set plugs including a top-set plug, wireline and mechanical set retrievable plugs and a hydro-mechanical plug on its own website. It publishes a catalogue with a specification guide, supplies a specification sheet with each product, describes traceability, and names engineers for training, running and redressing. Ask it for a written lead time and the full list of documents that ship with the order.

Wellsecure Oil Tools Private Limited

Wellsecure Oil Tools Private Limited, based in Bajri Industrial Area, Faridabad, Haryana, at an address its site labels its plant, names drillable wireline and mechanical set plugs, wireline and mechanical set retrievable plugs and a hydro-mechanical plug on its own website. It publishes product descriptions and offers customised solutions, with no size table on its bridge plug page. Ask it for the datasheet for your size, a written lead time, the document list and who runs the tool.

United Arab Emirates

Aventus Oil Tools

Aventus Oil Tools, based in Dubai Investment Park 2, Dubai, names a composite plug, a hydro-mechanical plug, permanent mechanical and wireline set plugs, and mechanical and wireline retrievable plugs on its own website. It describes CNC machining bays and clean-room assembly. It publishes product datasheets with sizes, says it customises products to well conditions, and offers field running support, redressing and workshop training. Ask it for the documentation pack and a written lead time.

What do almost none of these manufacturers publish?

Lead times are published by only one of the thirteen makers on this list: twelve publish no lead time, and the one that does is Maximus OIGA Private Limited, the publisher of this guide.

Maximus OIGA Private Limited sets its lead times by product class in its SpectraMax line: 1 to 4 weeks for standard bridge plug orders, 4 to 12 weeks for configured builds and 8 to 16 or more weeks for fully engineered-to-order work. Several of the others say only "on-time delivery" or "timely supply" with no figure, and one says lead time is confirmed once the specification and quantity are fixed.

Order documentation is the second gap. Maximus OIGA Private Limited names a full order pack on its site: the test record and chart, the inspection and test plan, heat traceability and a certificate pack. Three others mention parts of one. Dongying Yuxin includes material documentation in its inspection planning, Jiangsu KEFENG describes ex-works inspection, and Wellcare Oil Tools supplies a specification sheet with each product and describes traceability. The other nine name none.

Spec data is the gap this guide's publisher does not fill. Three of the thirteen publish no bridge plug size table or spec table on their own sites, and Maximus OIGA Private Limited is one of the three.

Each gap costs a buyer time in a different place. With no lead time, the schedule waits for quotations. With no named documents, a missing material test report or heat traceability record surfaces at QA acceptance, late in the order. With no size table, you cannot screen a maker before an RFQ, so you cannot plan or approve a shortlist until the quotations arrive.

Building to a drawing is stated in plain terms by one maker: Dongying Yuxin says it reviews customer drawings and samples. Six others say they build to the customer's specification, application or well condition, and six offer options on request or a general customisation line. The question most of these sites leave open is who supports the plug once it ships.

Who supports the bridge plug run if your well is remote?

Field running support is stated by three makers on this list: Gradwell Oilfield Private Limited, Wellcare Oil Tools Private Ltd. and Aventus Oil Tools say their own engineers support running and redressing.

Gradwell Oilfield Private Limited names field support engineers for training, hook-up, running and redressing. Wellcare Oil Tools Private Ltd. names engineers for training, running and redressing. Aventus Oil Tools offers field running support, redressing and workshop training.

Four more offer something narrower. Completion Oil Tools Private Limited names field engineers for packers and liner hangers but not for bridge plugs, Jiangsu KEFENG and Jingzhou Sunrise offer setting tools, and Wingoil describes on-site technical services in general terms. The other six publish no field crew, so the plug is set by the buyer's service company or wireline contractor.

Maximus OIGA Private Limited works the second way. It supplies its SpectraMax plugs and their build records from the Vadodara plant, the buyer's service company or the operator runs them, and the plant's engineering team answers technical questions from those build records.

For a remote well, the maker's head-office country matters less than where spares, setting tools and adapter kits are stocked, who sets the plug, and how fast a replacement reaches the well if a plug presets or does not hold. A plug that fails in a remote well costs rig days while tools and people travel.

Ask any maker these questions before you order:

  • Where are spare plugs and setting tools stocked, and how far is that from my well?
  • Is the setting tool or wireline adapter kit supplied, rented or loaned with the order?
  • Who sets the plug, and are they your engineers or a third party's, such as a wireline unit crew?
  • What is the turnaround for a replacement plug?
  • Who answers technical calls during the job?

Those answers, read with the two tables, are what match a maker to your own job.

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How do you choose a bridge plug manufacturer from this list?

The right bridge plug manufacturer on this list depends on the job the plug must do and on your buying constraint rather than on a ranking, because the thirteen differ on plug types, published lead times, documentation, field support and spec data. No maker on this list is the best choice for every well.

By the job the plug must do

  • If the plug must isolate a zone for good or support abandonment, start with the eleven makers that list a permanent bridge plug or drillable bridge plug set on wireline, mechanically or hydraulically, and ask for the setting record and the documentation pack with the plug.
  • If the plug must come back out after testing or a workover, shortlist the ten that list a retrievable bridge plug: Jiangsu KEFENG, Jingzhou Sunrise, Completion Oil Tools, Gradwell Oilfield, Impero Petro Tools, Maximus OIGA Private Limited, Oilmec Drilling Equipments, Wellcare Oil Tools, Wellsecure Oil Tools and Aventus Oil Tools. Ask how each plug is equalised, released and retrieved, and which retrieving tool it needs.
  • For stage isolation in a plug-and-perf job with a fast drill out, look at the four that list a composite plug or composite frac plug on a product page or in a catalogue: Dongying Yuxin, Jiangsu KEFENG, Gradwell Oilfield and Aventus Oil Tools.
  • If nothing should be left to drill out, the four makers that list a dissolvable plug are all in China: Wingoil, Dongying Yuxin, Jiangsu KEFENG and Jingzhou Sunrise. Ask for dissolution test data at your well's temperature and fluid, because how fast a plug will dissolve depends on both.

By your buying constraint

  • If you need a plant to build to your drawing at volume, shortlist the seven makers that state build-to-order work: Wingoil, Dongying Yuxin, Completion Oil Tools, Maximus OIGA Private Limited, Oilmec Drilling Equipments, Parveen Industries and Aventus Oil Tools. Send the drawing, the batch size and the repeat schedule with the RFQ, and ask how drawing revisions are controlled between batches.
  • If you are working to a fixed spud date, Maximus OIGA Private Limited publishes the only lead-time bands on the list, with standard bridge plug orders in the 1 to 4 week band; from every other maker, ask for a written delivery date in the quotation.
  • If your QA acceptance is strict, name the documents in the RFQ, such as the material test report, inspection and test plan, heat traceability and test record, and compare what comes back. One maker names a full order pack on its site and three mention parts of one.
  • If the well is remote and you have no service partner there, shortlist the three makers that state field running support (Gradwell Oilfield, Wellcare Oil Tools and Aventus Oil Tools), or pair any maker with your own service company or wireline contractor.
  • If you want to screen makers before sending an RFQ, start with the ten that publish spec data; for the other three, Impero Petro Tools, Maximus OIGA Private Limited and Wellsecure Oil Tools, the size data comes with the quotation.

The wrong choice shows up downhole, not in the purchase order. A plug that presets while running in, does not hold the differential it was chosen for, will not release when it should be retrieved, or drills out slowly can mean a fishing job, a remedial cement job or lost rig days, which is why the documents and the setting support matter as much as the catalogue. It also helps to know which makers this list leaves out, and why.

What does this list not cover?

This list leaves out the global service companies and other makers headquartered outside Asia, companies in Asia whose own sites do not meet the three rules, and any measure that is not published evenly enough to compare.

  • Global service companies, such as Baker Hughes, SLB and Weatherford, sell bridge plugs into Asia but are headquartered outside it, and independent makers in North America are out of scope for the same reason.
  • Searches for bridge plug makers in Saudi Arabia, Oman, Kuwait, Qatar, Bahrain, Malaysia, Singapore, Indonesia, Thailand, Vietnam, South Korea, Japan, Pakistan and Kazakhstan found no company whose own website met all three rules. They returned distributors, agents, service bases, rental firms and market reports.
  • A service company or rental house is not listed, because it runs or rents plugs rather than building them. A company whose site names only a frac plug, or names an isolation tool under another category, is not listed either; makers on the list that also name frac plugs show them in Table A.
  • This guide does not cover through-tubing bridge plugs. One maker names them in a list only, and none on the list has a product page for one.
  • It also does not score certification and licence status, registration details, founding dates, installation counts, customers, prices, or pressure and temperature ratings. The next section shows how to check the ones you need.

How can you verify any entry yourself?

Any entry on this list can be verified the same way: open the maker's own bridge plug page, confirm where it builds and machines the plug, ask for a sample documentation pack, check any licence it claims on the API Composite List, and ask for the test basis behind any rating.

This guide prints no company's certification or licence status, its publisher's included, because the register is the source and the check takes a minute.

  1. Open the maker's bridge plug page and catalogue on its own website, and match the model names and size range to the ones in the quotation.
  2. Ask for the manufacturing address in writing, and for a plant visit or a live video walk-through of machining, assembly and the test bay. Several entries publish an address their site does not label as a plant, and one names its plant without a street address, which is when this step matters most.
  3. Ask who machines the plug. Product descriptions on different makers' websites can read almost word for word alike, so a description does not show who machined the plug. Ask where the mandrel, slips and body are machined, and where the plug is assembled and tested.
  4. Ask for a sample documentation pack from an earlier order with the customer's details removed: the material test report, the inspection and test plan, the heat traceability record and the test record with its chart.
  5. Check any licence claim on the register of the American Petroleum Institute (API). Search the maker's exact legal name and its name variants on the API Composite List at mycerts.api.org. A Monogram licence covers one specification at one named facility, the specification for packers and bridge plugs is API Specification 11D1, and a listing can read active, cancelled or withdrawn. Ask which facility a claimed licence covers and whether that facility builds your order.
  6. For any pressure or temperature rating, ask for the qualification test report for that size and material, the standard and its edition, the test sequence and acceptance criteria, and the serial or heat traceability linking the tested plug to the one you will receive.

Run the same six steps on Maximus OIGA Private Limited, this guide's publisher, as on every other maker.

The next section sets out how this list itself was checked.

How was this list researched, and how is an entry corrected?

This list was researched from each company's own website only, with marketplaces and directories used just to find the official site.

Forty-six bridge plug companies based in Asia were checked besides the publisher, and twelve met all three rules. The thirty-four left off fall into three groups. Fourteen name no bridge plug on a product page or in a catalogue of their own. Seventeen describe distribution, agency, rental, trading or sourcing through partners or a supply chain, or do not say they make bridge plugs themselves. Three had no official website that could be read.

For every company, the publisher included, the research deliberately did not collect certification or licence status, registration details, founding dates, installation counts, customer names or pressure and temperature ratings. No company supplied, paid for or approved its entry.

Any company named here, or one left off, can ask Maximus OIGA Private Limited for a correction, and the entry is checked against that company's own published material before it changes. Every entry is re-checked against the company's own site whenever the page is updated.

The questions readers ask most about bridge plugs and these makers follow.

Frequently asked questions

What is a bridge plug?

A bridge plug is a downhole tool set at a chosen depth inside casing or tubing to seal the well below it, so the lower zone is isolated for testing, stimulation, work above it, or abandonment.

Permanent plugs stay in place or are drilled out, while retrievable plugs are released and pulled back to surface.

What is the main difference between a bridge plug and a FRAC plug?

A bridge plug seals the well in both directions, while a frac plug usually works as a one-way seal between fracturing stages, often with a ball on a seat, so the zone below can flow back afterwards.

Both come in drillable and dissolvable versions; four makers on this list name dissolvable plugs, and all four are in China.

What is the main difference between a bridge plug and a cement plug?

A bridge plug is a mechanical tool that seals as soon as it is set at an exact depth, while a cement plug is a column of cement placed in the well that must harden before it holds.

In abandonment work, cement is often placed on top of a set bridge plug.

What are the different sizes of cast iron bridge plugs available?

Cast iron bridge plugs are made to fit standard casing sizes and weight ranges, and each manufacturer publishes its own size range in a size table or catalogue.

Ten of the thirteen makers on this list publish one; for the other three, ask for the datasheet with the quotation.

Who makes bridge plugs in India?

Eight manufacturers on this list make bridge plugs in India: Completion Oil Tools Private Limited, Gradwell Oilfield Private Limited, Impero Petro Tools, Maximus OIGA Private Limited, Oilmec Drilling Equipments Pvt. Ltd., Parveen Industries Pvt. Ltd., Wellcare Oil Tools Private Ltd. and Wellsecure Oil Tools Private Limited.

Four are in Haryana, two in Rajasthan and one in Gujarat, and Parveen Industries names a plant at Igatpuri with offices in Delhi and Navi Mumbai.

Who makes bridge plugs in China?

Four manufacturers on this list make bridge plugs in China: Chongqing Weiyun Technology Development Co., Ltd. (Wingoil), Dongying Yuxin Machinery Manufacturing Co., Ltd., Jiangsu KEFENG Petrochemical Machinery Co., Ltd. and Jingzhou Sunrise Energy Technology Co., Ltd.

They are in Chongqing, Shandong, Jiangsu and Hubei, and all four name a dissolvable plug.

Which bridge plug manufacturers in Asia publish lead times?

One of the thirteen manufacturers on this list publishes lead times: Maximus OIGA Private Limited, at 1 to 4 weeks for standard bridge plug orders, 4 to 12 weeks for configured builds and 8 to 16 or more weeks for fully engineered-to-order work in its SpectraMax line.

The others quote delivery at enquiry, so ask for a written date in the quotation.

Who compiled this guide?

This guide was compiled by the completion-tools engineering team at Maximus OIGA Private Limited, a bridge plug manufacturer that appears in the list under the same rules as every other maker.

The method is the one set out above: each company's own website, read against three inclusion rules and seven comparison points. The guide exists to give a sourcing lead a shortlist of bridge plug makers in Asia that they can check for themselves, not to rank them.

Maximus OIGA Private Limited, which builds the SpectraMax completion-tool line, publishes the guide and is one of the thirteen; its own row was built from the same kind of source by the same rules. A correction from any company follows the route described above, and the next step below starts with the same check.

What should you do next?

Check any supplier on this list against the register yourself.

A quotation for a SpectraMax bridge plug from Maximus OIGA Private Limited needs your casing size and weight, whether the plug must be permanent or retrievable, the setting method (wireline, mechanical or tubing-set) and whether a setting tool should come with it, the setting depth, the differential pressure, temperature and fluids the plug must handle, and the documents your QA function requires.

The quotation names the lead-time band that applies, fixes the date for your order and comes with the SpectraMax document list.

Request a SpectraMax bridge plug quotation

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 Indian downhole completion tool manufacturers compared: API status, plants, catalogue and lead times

Indian downhole completion tool manufacturers compared: API status, plants, catalogue and lead times

Most Indian suppliers list packers, bridge plugs and liner hangers. The harder question is who actually makes the goods, where, and what documents arrive with the order. This comparison puts six Indian downhole tool manufacturers side by side on manufacture, plant location, catalogue breadth, published lead times and the documentation pack, using only what each company publishes about itself.

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September 25, 2026

Zonal isolation systems

Zonal isolation systems

A bridge plug, a packer, a cement retainer, a straddle packer or a stage cementing collar can each be the right way to isolate an interval in a cased well. Which one depends on where the zone sits, how long the isolation must hold, and whether cement goes through the tool. This guide maps each isolation job to its tool class and its named SpectraMax models, then covers what to specify, how each tool sets and seals, and where each option stops working. It also sets out the records that ship with the order and the lead-time bands by product class, so you can plan the run before the quotation arrives.

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September 25, 2026

Casing scrapers

Casing scrapers

A packer, bridge plug or cement retainer only grips and seals on a clean casing wall, and the scraper that cleans it has to fit your casing on the way down and at depth. This guide covers how a casing scraper cleans, the three main configurations, and how to size one to your casing OD and weight range, with worked ID and drift figures for 5-1/2 in, 7 in and 9-5/8 in casing. It then matches each configuration to its well condition, sets out where every option stops working, and lists the records that should ship with the order.

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September 25, 2026

Gas anchors

Gas anchors

Low fillage, fluid pound or a gas-locked rod pump usually points to the same tool below the pump: a gas anchor. Which configuration fits depends on whether the pump can sit below the perforations, how much liquid it displaces, and whether solids or deviation are in play. This guide works through the four configurations by well condition, then covers the sizing rule, the specifications a quotation has to fix, and where each option stops working. It also sets out the records that should ship with the part and the SpectraMax lead-time bands by product class.

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September 25, 2026

Coiled tubing tools

Coiled tubing tools

"Coiled tubing tools" covers three different things: the surface spread, the intervention bottom-hole assembly, and the completion tools coiled tubing conveys and sets. Only the third group is manufactured completion equipment, and it is the group this page is about. It covers what conveyance changes about the tool itself, which of the three families (bridge plug, cement retainer, packer) suits which job, and the six inputs a supplier needs to quote one. It also sets out where each option stops, the records to ask any supplier for, and the lead-time bands by product class.

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September 21, 2026

Saudi Aramco vendor registration for completion equipment suppliers

Saudi Aramco vendor registration for completion equipment suppliers

Saudi Aramco vendor registration is a prequalification on Aramco's e-Marketplace that ends in a Vendor ID, and being registered is not the same as being qualified. This guide walks the out-of-Kingdom route for a completion equipment manufacturer: how Aramco weighs financial strength, technical qualification and IKTVA local content, and which documents an international supplier actually files instead of the Saudi statutory set. It also sets out what a manufacturer can carry for your submission, what stays with you, and the records to ask any supplier for before a purchase order.

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September 21, 2026

ONGC vendor registration for downhole tool suppliers: the actual sequence

ONGC vendor registration for downhole tool suppliers: the actual sequence

Selling downhole tools to ONGC starts with a commercial gate, not the technical bid: you complete supplier self-registration on ONGC e-Procurement, get a bidder User-ID, then finish vendor enlistment before you can bid on a single tender. This guide walks the actual sequence, the documents an Indian or overseas applicant submits, how ONGC weighs a bid once local content is applied, and a realistic timeline. It is honest about what a manufacturer can and cannot do for your bid, and what to ask any supplier for in writing.

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September 21, 2026

ADNOC ICV certification: what a completion-tool supplier actually needs

ADNOC ICV certification: what a completion-tool supplier actually needs

ADNOC ICV certification decides your In-Country Value score, and that score is weighed in a tender before your technical bid is read. This guide explains what the certificate actually requires: how the local-content score works, the documents you assemble, a realistic timeline, and the documentation a completion-tool supplier ships that feeds your score. It shows where a manufacturer like Maximus OIGA Private Limited fits, by supply and paperwork rather than a badge.

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September 21, 2026

Best drillable bridge plug manufacturers supplying US land operators

Best drillable bridge plug manufacturers supplying US land operators

A drillable bridge plug for a US land well is sourced by comparing makers on what each publishes: the line it builds, where it is built, made to order or sold from stock, the lead time, and the documents supplied with it. This page picks no winner; it applies those criteria to every maker, Maximus OIGA Private Limited included.

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September 17, 2026

Liner Hanger Manufacturers Supplying UAE Operators

Liner Hanger Manufacturers Supplying UAE Operators

The supplier that machines and tests a liner hanger holds the records that prove it, which a reseller of someone else's stock may not. For a UAE buyer, that difference decides whether your QA function can accept the tool. A manufacturer can produce the material test report, the inspection and test plan, heat traceability and the test report because it made the part; a trader reselling stock often has to request them from a maker it does not control. Maximus OIGA Private Limited manufactures its liner hangers and ships these records with the order, so the documents trace to the tool in your hand.

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September 17, 2026