1. Product Introduction
This document focuses on the production and supply of high-quality OEM-compatible spare parts for Shaffer Blowout Preventers (BOP), covering a full range of core part numbers and models: Packing Element (150578+20), Adapter Seals (31002, 30408, 30244, 31104), Face Seal Assemblies (722188, 722189, 722190, 722192), Top Seal Assembly (722181), Door Seal (20022103), Piston Seals (32006), Check Valve Assembly (130368), O-Rings (30928, 30653, 5019418), and complete BOP Spare Part Kits (for OPER/BOP 11-5). The core purpose is to provide one-stop, high-reliability spare parts solutions for global oil and gas drilling operations, ensuring each part fully complies with Shaffer BOP original technical specifications, meets mandatory QA/QC certification requirements (Cert Req A, B, C, D, E, T, X), and minimizes unplanned downtime caused by BOP component failure—critical for safe drilling operations.
2. Functional Instructions
- Face Seal Assemblies (722188, 722189, 722190, 722192): Seal the interface between BOP rams and drill pipes of different sizes (2-3/8″, 2-7/8″, 4-1/2″ OD), preventing fluid leakage during drilling and well control. The 722190 model is specifically designed for H2S trim applications, ensuring resistance to sulfide stress cracking.
- 722181 Top Seal Assembly: Seals the top of the BOP, preventing pressure and fluid leakage from the upper section of the BOP, maintaining overall system integrity.
3. Applicable Working Conditions
All Shaffer BOP spare parts are engineered to perform reliably in the harsh, demanding working conditions of onshore and offshore oil and gas drilling, fully compatible with Shaffer BOP operational requirements and meeting API 16A standards:
- Pressure Range: Up to 3000PSI working pressure (WP), suitable for medium to high-pressure drilling operations, with pressure testing up to 4500PSI (1.5 times rated pressure) to ensure safety.
- Temperature Range: -40℃ to 120℃, suitable for extreme cold (arctic onshore drilling) and high-temperature (desert or offshore drilling) environments, ensuring parts maintain structural integrity and sealing performance.
- H2S Resistance: Parts designed for H2S trim (e.g., 722190) comply with NACE MR0175, resisting sulfide stress cracking in sour well environments (H2S concentration up to 20% by volume).
- Corrosion Resistance: All parts are resistant to drilling fluid corrosion (oil-based, water-based), saltwater (offshore), and chemical contaminants, with a corrosion resistance life of up to 6 years under normal operating conditions.
- Vibration & Shock Resistance: Designed to withstand vibration levels up to 6g (frequency 10-50 Hz) and shock levels up to 20g, complying with API 16A and ISO 19901-1 standards for offshore drilling equipment.
Typical application scenarios: Onshore oil and gas drilling, offshore drilling platforms, sour well operations (H2S), and Mukhaizna oilfield Shaffer BOP systems, compatible with 7-1/16″, 11″ Shaffer BOP models and LXT Double Gate BOP Rams.
We supply the following spare parts:
| NO. | ITEM DESCRIPTION | UOM |
| 1 | ELEMENT,BOP;PACKING;11″;NITRILE;3000PSI WP,FOR BOP;QA/QC CERT REQ B ,C;MFG: SHAFFER;P/N: 150578+20 | EA |
| 3 | SEAL;ADAPTER;ID-LOWER,F/7-1/16″ BOP;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 31002 | EA |
| 5 | SEAL;ADAPTER;TOP,F/7-1/16″ BOP;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 30244 | EA |
| 7 | ASSEMBLY,SEAL;FACE;2-3/8″ OD PIPE;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722188 | EA |
| 9 | ASSEMBLY,SEAL;TOP;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722181 | EA |
| 10 | SEAL;DOOR;7-1/16″;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 20022103 | EA |
| 11 | KIT,BOP;SPARE PART;FOR OPER/BOP;11-5;QA/QC CERT REQ A,C | EA |
| 12 | ELEMENT;PACKING;11″;NITRILE;3000PSI WP;QA/QC CERT REQ B,C;MFG: SHAFFER;P/N: 150578+20 | EA |
| 13 | VALVE,CHECK;ASSEMBLY;SEC SEAL;QA/QC CERT REQ A,C,D,E,T,X;MFG: SHAFFER;P/N: 130368 | EA |
| 14 | SEAL;FACE;F/7-1/16 X 3-1/2 SHAFFER CHAS/LXT DOUBLE GATE BOP RAM INTERNAL H2S TRIM;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722190 | EA |
| 15 | ASSEMBLY,SEAL;FACE;4-1/2″ OD PIPE;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722192 | EA |
| 16 | KIT,SEAL;ADAPTOR;ID,UPPER;QA/QC CERT REQ A,C | EA |
| 17 | ASSEMBLY,SEAL;FACE;2-3/8″ OD PIPE;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722188 | EA |
| 18 | ASSEMBLY,SEAL;FACE;2-7/8″ OD PIPE;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722189 | EA |
| 19 | ASSEMBLY,SEAL;TOP;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 722181 | EA |
| 20 | SEAL;DOOR;7-1/16″;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 20022103 | EA |
| 21 | SEAL;ADAPTER;ID-UPPER,FOR 7-1/16″ BOP;QA/QC CERT REQ A,C;MFG: SHAFFER;P/N: 31104 | EA |
| 22 | SEAL;PISTON,UPPER;ID;QA/QC CERT REQ A,C | EA |
| 23 | SEAL;PISTON;ID,LOWER,F/SHAFFER BOP AT MUKHAIZNA;QA/QC CERT REQ A,C | EA |
| 24 | SEAL;PISTON;4-5/8″ ID;5″ OD;3/16″ THK;CARBON STEEL;QA/QC CERT REQ A ,C;MFG: SHAFFER;P/N: 32006 | EA |
| 25 | O-RING;SPRING;QA/QC CERT REQ A;MFG: SHAFFER;P/N: 30928 | EA |
| 26 | O-RING;70-75 DUROMETER;FOR SHAFT;QA/QC CERT REQ A;MFG: SHAFFER;P/N: 30653 | EA |
| 27 | O-RING;DUROMETER 70;QA/QC CERT REQ A;MFG: SHAFFER;P/N: 5019418 | EA |
4. On-Site Fault Maintenance Cases
Case 1: 150578+20 Packing Element Wear Causing BOP Leakage (Mukhaizna Oilfield)
Scenario: A 11″ Shaffer BOP at Mukhaizna oilfield experienced drilling fluid leakage during well control operations, with pressure dropping from 3000PSI to 2200PSI within 30 minutes. Inspection found that the 150578+20 nitrile packing element was worn to 4mm (below the 5mm minimum threshold), reducing sealing performance.
Solution: Replace the worn 150578+20 packing element with a new OEM-compatible part, ensuring compliance with QA/QC Cert B and C requirements. After installation, conduct pressure testing to 4500PSI (1.5 times rated pressure) to confirm no leakage. The BOP resumed normal operation within 2 hours, avoiding unplanned downtime (estimated loss of $60,000/hour) and safety hazards.
Case 2: 31002 Adapter Seal Failure Leading to BOP Pressure Loss (Offshore Platform)
Scenario: A 7-1/16″ Shaffer BOP on an offshore drilling platform experienced sudden pressure loss during drilling, unable to maintain the required 2500PSI. Inspection found that the 31002 ID-Lower adapter seal was cracked due to prolonged exposure to saltwater and vibration, causing leakage.
Solution: Replace the cracked 31002 adapter seal with a new OEM-compatible part, clean the adapter seal groove, and apply high-temperature resistant sealant. After maintenance, pressure test the BOP to 3750PSI, confirming no leakage. The BOP was back in operation within 1.5 hours, minimizing downtime and ensuring drilling safety.
Case 3: 130368 Check Valve Malfunction Causing Fluid Backflow (Onshore Drilling Site)
Scenario: An onshore drilling site using a Shaffer BOP experienced fluid backflow in the BOP system, damaging internal components. Inspection found that the 130368 check valve assembly was stuck closed due to debris accumulation, failing to open properly. The valve did not meet QA/QC Cert D and E requirements, indicating a non-OEM replacement part was previously installed.
Solution: Replace the non-OEM check valve with a new 130368 OEM-compatible part, accompanied by complete QA/QC Cert A, C, D, E, T, X documents. Clean the valve housing to remove debris, and test the valve for smooth operation. The BOP system resumed normal operation, preventing further component damage and ensuring compliance with regulatory requirements.
5. FAQ (Frequently Asked Questions)
| No. | Questions | Answers |
| 1 | Are these spare parts fully compatible with Shaffer 7-1/16″, 11″ BOP models and LXT Double Gate BOP Rams? | Yes, all spare parts are manufactured to Shaffer OEM specifications, ensuring 100% compatibility with Shaffer 7-1/16″, 11″ BOP models, LXT Double Gate BOP Rams, and BOP systems at Mukhaizna oilfield. Each part (e.g., 31002, 722190, 150578+20) matches the original dimensions, material specifications, and performance parameters, with clear part numbers for easy matching. All parts meet QA/QC Cert A, B, C, D, E, T, X requirements, as specified in RFQ 9563, eliminating compatibility risks. |
| 2 | What is the service life of the 150578+20 packing element, and how to extend it in H2S environments? | The 150578+20 11″ nitrile packing element has a service life of 1,000-1,200 working hours under normal conditions. In H2S environments, the service life is 800-1,000 working hours. To extend it: 1) Inspect every 50 working hours for wear; 2) Use H2S-compatible lubricants; 3) Avoid contact with harsh chemicals; 4) Replace immediately if leakage or wear is detected. Following these steps can extend service life by 25%. |
| 3 | How to ensure the spare parts meet the QA/QC certification requirements (Cert A, B, C, etc.) specified in RFQ 9563? | All spare parts come with complete QA/QC certification documents, tailored to the specific cert requirements of each part (e.g., Cert B, C for 150578+20; Cert A, C for 31002; Cert A, C, D, E, T, X for 130368). When purchasing, you can request the corresponding certification documents for verification. We strictly follow ISO 9001 and API 16A standards during production and testing, ensuring every part meets the QA/QC requirements specified in RFQ 9563. |
6. Procurement Guide
If you need to purchase the Shaffer BOP spare parts listed in RFQ 9563 or other Shaffer BOP components, you can directly select the required part numbers, descriptions, and quantities according to your drilling operation, maintenance, and project needs. All parts are manufactured to meet or exceed Shaffer OEM specifications, with complete QA/QC certification documents (Cert A, B, C, D, E, T, X) to ensure product reliability, compatibility, and regulatory compliance. We provide comprehensive technical support, including part selection guidance (matching part numbers to BOP models), on-site installation advice, and after-sales maintenance services, to help you solve all problems related to Shaffer BOP spare parts. Whether you need small-batch maintenance spare parts (e.g., 30928 O-rings, 20022103 door seals) or large-batch procurement for multiple drilling rigs (e.g., 150578+20 packing elements, OPER/BOP 11-5 kits), we can provide high-quality, OEM-compatible products that meet your needs. Our focus is on the production and supply of high-reliability Shaffer BOP spare parts, committed to helping you ensure the safe, efficient, and compliant operation of your drilling equipment, while reducing maintenance costs and unplanned downtime.
