Regional and supply-chain research

Oilfield Drilling Completion Tools Keyword Candidate Study

Oilfield Drilling Completion Tools Keyword Candidate Study. A dated 40-record cohort study compares composition, parent sets and evidence coverage. Comparative structure study; archive date 2026-10-16.

Revision and archive snapshot: 2026-10-16

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Research findings

Comparative structure study

The largest recorded reporting jurisdiction, Jiangsu, contains 8 records (20.0% of this 40-record cohort). The remaining cohort contains 32 records. The comparison concerns archive composition.

The recorded industry label Advanced equipment accounts for 45.0% here (18/40), compared with 25.5% in the parent set (4,918/19,297), an absolute gap of 19.5 percentage points.

15/40 companies link to pages with existing source-supported excerpts (37.5% of the cohort). The other 25 records remain usable for archive composition, but do not support new operating case studies.

2 keyword candidates match only a company name, with no matching term in recorded products or sub-industry fields. Product evidence is needed before treating these as operating businesses in this segment.

Company cohortDirectly linked pagesShare of public archiveArchive date
40400.2%2026-10-16

An ID-deduplicated archive snapshot, not the whole market, current recognition or operating results.

Comparable sets and compositional differences

The parent set, All public archive records, contains 19,297 records. This cohort contributes 40 (0.2%); 19,257 records remain after excluding it.

CategoryCohort count/baseReference: All public archive recordsGap (pp)Representation ratioRest count/base
industry · Advanced equipment18/40 · 45.0%4,918/19,297 · 25.5%+19.51.774,900/19,257
chain role · Advanced equipment and industrial automation / Process equipment and inspection instruments15/40 · 37.5%4,085/19,297 · 21.2%+16.31.774,070/19,257
sub-industry · Special-purpose machinery6/40 · 15.0%433/19,297 · 2.2%+12.86.68427/19,257
chain role · Fine chemicals / Process equipment and inspection instruments5/40 · 12.5%44/19,297 · 0.2%+12.354.8239/19,257
sub-industry · New-energy equipment and systems5/40 · 12.5%410/19,297 · 2.1%+10.45.88405/19,257
industry · New energy and power equipment5/40 · 12.5%757/19,297 · 3.9%+8.63.19752/19,257
sub-industry · Advanced medical devices5/40 · 12.5%878/19,297 · 4.5%+8.02.75873/19,257
reporting jurisdiction · Jiangsu8/40 · 20.0%3,025/19,297 · 15.7%+4.31.283,017/19,257
industry · Biomedicine5/40 · 12.5%1,721/19,297 · 8.9%+3.61.401,716/19,257
chain role · New energy and power equipment / Complete systems and use-case applications5/40 · 12.5%1,763/19,297 · 9.1%+3.41.371,758/19,257

Ratio of label participation, not market share; multi-label counts overlap.

Excluding this cohort, the recorded industry label Advanced equipment covers 4,900/19,257 remaining records (25.4%), an absolute gap of 19.6 percentage points from this cohort.

Concentration and cross-sectional structure

The full reporting jurisdiction distribution has 20 labels; the top 3 contain 16/40 records (40.0%).Other known labels contain 24 records.

For 40 records with known labels, the effective category count is 11.6, versus 20 actual labels. Definitions and scope are in the methodology.

The table shows ten labels; 10 others are included in the calculations above.

Recorded labelRecordsShare of cohort
Jiangsu820.0%
Sichuan410.0%
Shandong410.0%
Beijing37.5%
Hebei37.5%
Shenzhen25.0%
Hubei25.0%
Liaoning25.0%
Shanghai12.5%
Ningbo12.5%

Record counts do not rank supply capability or economic size.

The largest intersection, Jiangsu × Advanced equipment, contains 7 records, or 87.5% of the 8 records carrying the Jiangsu label.

reporting jurisdictionindustryIntersection recordsCohort share
JiangsuAdvanced equipment717.5%
ShandongAdvanced equipment25.0%
ShanghaiAdvanced equipment12.5%
BeijingBiomedicine12.5%
BeijingEnergy conservation and environmental protection12.5%
BeijingAdvanced equipment12.5%
SichuanNext-generation information technology12.5%
SichuanAdvanced materials12.5%

A cell contains company IDs carrying both labels. It does not establish procurement, supply or investment relationships between firms. Multi-label cells may overlap.

This page displays 8 of the full cross-tab’s 33 non-empty cells; the other 25 remain in the analysis.

Evidence coverage and strength of conclusions

Record fieldNon-empty/cohortCompletion
Company name40/40100.0%
reporting jurisdiction40/40100.0%
industry40/40100.0%
Recorded products40/40100.0%
sub-industry40/40100.0%
Chain labels40/40100.0%

Non-empty fields are not necessarily accurate or supported by originals.

Scope of source supportCount
Profiles with source-supported excerpts15
Distinct corresponding companies15
Reviewed Chinese/English paragraph pairs15

Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.

Transparent rule reminderRecordsCohort share
Contains registration-narrative wording12.5%

A rule hit prioritises review; it does not establish that the entire field is wrong. One record can trigger several rules.

Matched fieldCandidatesCohort share
Company name410.0%
Recorded products3587.5%
Sub-industry410.0%

An ID may match several fields, so counts may exceed the cohort total. Matches establish search relevance only.

Among the translated non-broad query terms, “oil drilling and extraction” has the most matches: 22/40. Name, product and sub-industry fields match 3, 19 and 0 records respectively; the largest field is product field. Fields can overlap, and a term remains a search link rather than verified business activity.

Selected query termCandidates/shareName matchesProduct fieldSub-industry
oil drilling and extraction22 · 55.0%3190

Selected broad terms and specific segment terms, not the full query. Terms and fields can overlap and must not be summed. Counts show lexical sensitivity; no records are removed without primary evidence.

2 candidates match only a name, or lose all product-field matches after the full company name is removed while sub-industry also has no hit. This transparent string test locates copied company descriptions; it does not establish that a company does not operate the business.

Intersection with 2026 local lists

12 of this cohort’s 40 records link through existing company-ID mappings to 2026 lists from all jurisdictions (30.0%). This intersection measures list linkage, not successful recognition or company growth.

Observation setList recordsNew-applicant recordsReview recordsMapped company IDs
National list records linked to this cohort’s IDs1201212

List rows and company IDs are separate counts, not new firms or final recognition.

Stored 2026 local-recommendation records, sources and stage definitions

Recorded roles and delivery checks

Delivery framework, stages and original sources

Related studies and shared records

Shared records with Oil Gas Petrochemical Equipment Keyword Candidate Study: 21; records in this cohort but outside that set: 19. The intersection/union ratio is 12.7%, a measure of label overlap rather than business collaboration. Read comparison

Shared records with Fine chemicals / Process equipment and inspection instruments Supply-chain Study: 5; records in this cohort but outside that set: 35. The intersection/union ratio is 6.3%, a measure of label overlap rather than business collaboration. Read comparison

Company samples and record links

CompanyJurisdictionRecorded industry
Sheenstone (Shenzhen) Oil Tools Co., Ltd.ShenzhenAdvanced equipment
Jiangsu Rutong Petro-Machinery Co., Ltd.JiangsuAdvanced equipment
Fuxin Petroleum Tools FactoryLiaoningAdvanced chemicals
Jiangsu Hongtai Petrochemical Machinery Co., Ltd.JiangsuAdvanced equipment
Jiangsu Goodeng Heavy Machinery Technology Co., Ltd.JiangsuAdvanced equipment
Jiangsu Rushi Machinery Co., Ltd.JiangsuAdvanced equipment
Intercontinental Strait Energy Technology Co., Ltd.SichuanNew energy and power equipment
Qingdao Zhangshi Shangjia Technology Co., Ltd.QingdaoAdvanced equipment

Stable-ID samples, not rankings; metrics use the full cohort.

Directly related profiles and reports

Methodology

Read ID deduplication, comparison, batch and evidence definitions