Comprehensive drill pipe, heavy-weight drill pipe, and drill collar rental fleet — S-135 grade NOV Grant Prideco™ pipe with premium connections, protected by NOV high-spec hard-banding and internal coating, R2 length. Sizes from 2-7/8″ to 5-7/8″ for surface to 9,500m+ ERD applications. 完整规格的钻杆、加重钻杆、钻铤租赁库存 — NOV Grant Prideco™ S-135 钢级钻杆配高端螺纹接头，采用 NOV 高规格耐磨带与内涂层防护，R2 总长。规格从 2-7/8″ 到 5-7/8″，覆盖地表浅井至 9,500m+ 超大位移井应用。
NOV High-Spec Hard-BandingNOV 高规格耐磨带
All tool joints — on drill pipe and heavy-weight drill pipe alike — are protected with NOV TCS™ Titanium high-spec hard-banding: casing-friendly, crack-free protection that reduces casing wear and extends service intervals.全部钻杆与加重钻杆接头统一采用 NOV TCS™ Titanium 高规格耐磨带 — 对套管友好、不易开裂，减少套管磨损，延长检修周期。
NOV TK™-34 Internal CoatingNOV TK™-34 内涂层
Every pipe is internally coated with NOV TK™-34 high-spec coating — protecting against corrosion from drilling mud, completion brine and acidising fluids, lowering pressure losses, and extending pipe life across rental cycles.每根钻杆均采用 NOV TK™-34 高规格内涂层 — 防止钻井液、完井卤水及酸化液腐蚀，降低循环压耗，跨多个租赁周期延长钻杆寿命。
Mobilisation-Ready Inventory即时调配库存
Full-spec inventory of drill pipe, heavy-weight drill pipe, and drill collars maintained at Huizhou base — ready for immediate dispatch to offshore platforms and onshore rigs across China and SE Asia.惠州基地保有全规格钻杆、加重钻杆、钻铤库存 — 可即时调配至中国及东南亚海上平台与陆地钻机。
| OD外径 | Connection扣型 | Grade钢级 | Nom. Weight名义重量 | Tool Joint OD × ID接头外径 × 内径 | Length总长 |
|---|---|---|---|---|---|
| 2-7/8″ | HT PAC | G105 | 10.40 lb/ft | 3-1/8″ × 1-1/2″ | R2 |
| 3-1/2″ | NC38 | S-135 | 13.30 lb/ft | 5.000″ × 2.125″ | R2 |
| 4″ | XT39 | S-135 | 14.00 lb/ft | 5.000″ × 2.438″ | R2 |
| 5″ | NC50 | S-135 | 19.50 lb/ft | 6.625″ × 2.750″ | R2 |
| 5″ | GPDS50 | S-135 | 19.50 lb/ft | — | R2 |
| 5-1/2″ | HT55 | S-135 | 21.90 lb/ft | 7.000″ × 4.000″ | R2 |
| 5-7/8″ | XT57 | S-135 | 23.40 lb/ft | 7.000″ × 4.250″ | R2 |
All drill pipe manufactured to NOV Grant Prideco™ specification with premium double-shoulder connections (XT™ / HT™ / GPDS™). Original NOV performance data sheets — torsional, tensile and hydraulic ratings for each size — available on request. 全部钻杆按 NOV Grant Prideco™ 规范制造，配高端双台肩螺纹接头（XT™ / HT™ / GPDS™）。各规格的 NOV 原厂性能数据单（抗扭、抗拉及水力参数）可按需提供。
| OD外径 | Bore内径 | Connection扣型 | Tool Joint OD接头外径 | Hard-Band耐磨带 |
|---|---|---|---|---|
| 3-1/2″ | 2-1/4″ | NC38 | 4.875″ | TCS™ Titanium |
| 4″ | 2.563″ | XT-39 / HT-38 | 5.250″ | TCS™ Titanium |
| 5″ | 3″ | NC50 | 6.500″ | TCS™ Titanium |
| 5-1/2″ | 4″ | HT55 | 7.000″ | TCS™ Titanium |
| 5-7/8″ | 4″ | XT57 | 7.000″ | TCS™ Titanium |
| OD外径 | Connection扣型 | Weight重量 | Tensile Strength抗拉强度 | Make-up Torque上扣扭矩 |
|---|---|---|---|---|
| 4-3/4″ | NC38 | 47–50 lb/ft | 725 – 750 k lbs | 10,000 – 15,000 ft·lbs |
| 6-1/2″ | NC46 / NC50 | 91 lb/ft | 1,055 – 1,374 k lbs | 35,000 – 50,000 ft·lbs |
| 8″ | 6-5/8″ REG | 150 lb/ft | 1,816 k lbs | 75,000 ft·lbs |
| 9-1/2″ | 7-5/8″ REG | 216 lb/ft | 2,629 k lbs | 97,500 ft·lbs |
Tool joint shoulder: 18°. Bore size: 1.875″ – 2.875″ depending on OD. All collars manufactured to AISI 4145H specification. 台肩角度：18°。通径：根据外径 1.875″ – 2.875″。全部钻铤按 AISI 4145H 规范生产。
A complete downhole tool inventory complements the drill pipe fleet — drill collars in 4-3/4″ to 9-1/2″, drilling jars, stabilizers, crossovers, lift subs, and rotary subs. Contact our team for tool selection and BHA design support. 完整的井下工具库存与钻杆库存配套 — 4-3/4″ 至 9-1/2″ 钻铤、钻井震击器、扶正器、转换接头、起吊短节及旋转短节。联系团队获取工具选型与 BHA 设计支持。
Contact us for availability, pricing, mobilisation logistics, and BHA design support. 联系我们获取库存可用性、报价、调配物流与 BHA 设计支持。