中海油田服务股份有限公司
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API certificate records
中海油田服务股份有限公司 ↗
Bohai Completion Service Company - Production Optimization-COSL
天津市 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| Q2-0659 | API Q2 | Active | Expires: 2028-03-26 |
中海油田服务股份有限公司 ↗
China Oilfield Services Limited/Tanggu Branch-Oil Tools
滨海新区 · 天津市 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| 7-1-1612 | API 7-1 | Active | Expires: 2027-04-29 |
中海油田服务股份有限公司 ↗
Engineering & Technology Operation Company, Integrated Solution and New Energy, COSL
天津市 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| Q1-7657 | API Q1 | Active | Expires: 2029-09-15 |
中海油田服务股份有限公司 ↗
Intelligent Manufacturing Center--Production Optimization-COSL
天津市 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| 11D1-0031 | API 11D1 | Active | Expires: 2028-06-01 |
| 14A-0061 | API 14A | Active | Expires: 2028-06-01 |
| 14L-0055 | API 14L | Active | Expires: 2028-06-01 |
| 19AC-0019 | API 19AC | Active | Expires: 2028-06-01 |
| 19G1-0031 | API 19G1 | Active | Expires: 2028-06-01 |
| 19G2-0033 | API 19G2 | Active | Expires: 2028-06-01 |
| 5B-0173 | API 5B | Active | Expires: 2028-06-01 |
| 5CT-2499 | API 5CT | Active | Expires: 2028-06-01 |
| Q1-0982 | API Q1 | Active | Expires: 2028-06-01 |
中海油田服务股份有限公司 ↗
Manufacture & Sales Center, Welltech-COSL
北京市 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| ISO-0749 | ISO | Active | Expires: 2029-08-17 |
| Q1-0489 | API Q1 | Active | Expires: 2029-08-17 |
中海油田服务股份有限公司 ↗
Shenzhen Oil Tools Base, Drilling Section, COSL
惠阳区 · 广东省 · 中国
| Number | Standard | Source status | Source dates |
|---|---|---|---|
| 7-1-1696 | API 7-1 | Active | Expires: 2029-06-26 |
| 7-2-1223 | API 7-2 | Active | Expires: 2029-06-26 |
| Q1-4828 | API Q1 | Active | Expires: 2029-06-26 |
Names follow OFMP and have not been verified with the issuer. Records apply only to the listed facility, not to a group, affiliates or every product. Q1/Q2 are management-system certificates; ISO is listed separately.
Source retrieved: 2026-10-22 · The source does not provide its latest synchronization time. Active is the source status. Expiry or extension dates do not establish renewal. Verify scope and current status with the issuer. API Composite List ↗