

Welcome To HeBei KaiJin Machinery Equipment Co., Ltd. Tel:+86-311-89159591
PRODUCT
OD: | 73mm ( 2 7/8'' inch) thread drill pipe |
Connection: | 105mm |
Thread: | NC31 |
Wall thickness: | 9.19mm |
Length: | R1,R2,R3 or as your request |
Pipe body material: | High quality alloy seamless pipe of G105 |
Tool joint material: | 35CrMo/ 4137H |
Thread treatment: | Phosphorization or copper plating |
Yield strength: | Min 724 Mpa |
Tensile strength: | Min 793 Mpa |
Safe drilling depth: | Within 1,800 meters |
Suitable: | water well, geothermal well, gas well |
Strictly according to API 5DP standard |
1.OCTG selection,rod end upsetting meets API 5D standard.
2.Thicker tube transfer of heat treatment.
3.Tool joint fored,controlled atmosphere heat treatment,up to API SPEC-7-1 standard.
4.Welding area using thermo-mechanical treatment, up to API SPEC-7 standard.
5.The thread is reverse, apply to salvage tool.
OD |
2-3/8'' |
2-7/8'' |
3-1/2'' |
4" |
5'' |
Wall Thickness (mm) |
7.11 |
9.19 |
9.35/11.40 |
8.38 |
9.35 |
Steel Grade |
E75 X95 G105 S135 R780 |
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Upset style |
IU EU IEU |
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Hard banding |
ARNCO 100XT, ARNCO 300XT, ARMACOR-M, TCS-Ti, TCS-8000 |
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Length |
R1:6.1-7.01m; R2:8.84-9.75m; R3:12.19-13.72m |
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Connection |
RSC: NC26, NC31, NC38, NC40, NC46, NC50, etc. (NC, XH, IF, REG, FH, etc.) |
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Customized specifications can be manufactured according to drawings. |
1.Drill Pipe steel grade more information:
Steel grade |
OD |
Internal coating |
Hardbanding |
Length |
E75 X95 R780 G105 S135 |
2 3/8”~5 1/2” 60.3~139.7mm |
TC2000 TC3000 TK34 TK34P |
Arnco100XT Arnco300XT Armacor-M TCS-Ti TCS-8000 |
R1:6.1-7.01m R2:8.84-9.75m R3:12.19-13.72m |
2, Drill Pipe steel grade more information:
Steel Grade
|
Yield Strength |
Tensile Strength |
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min |
max |
min |
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Psi |
Mpa |
Psi |
Mpa |
Psi |
Mpa |
|
E-75 |
75.000 |
517 |
105.000 |
724 |
100,000 |
689 |
X-95 |
95.000 |
655 |
125.000 |
862 |
105,000 |
724 |
G-105 |
105.000 |
724 |
135.000 |
931 |
115,000 |
793 |
S-135 |
135.000 |
931 |
165.000 |
1138 |
145,000 |
1000 |
3.Drill Pipe Mechanical properties
Specification | Yield strength | Tensile strength | Elongation | HB | Charpy impact test | |
Mpa | Mpa | Mpa | A Kv(J) | |||
API SPEC 7 | ≥ 827.4 | ≥ 965.3 | ≥ 13 | ≥ 285 | ---- | |
SY/T5290-2000 | ≥ 827 | ≥ 965 | ≥ 13 | 285-341 | ≥ 54 | |
HJ-JT | 828-1050 | 1365-1150 | ≥ 14 | 303-341 | Vertical | horizontal |
≥ 87 | ≥ 90 |
Packaging & Shipping:
1. The Geothermal well drilling g105 steel drill pipe will be packed into bundles as 3x3, 3x4, 4x4 etc.and loading into containers after black painting and thread protectors installation.
2. For 20’ container, the max loading weight is 21 metric tons
3. For 40’ container, the max loading weight is 27 metric tons.
4. Usual loading port is XINGANG port in Tianjin, main port in north of China.
Our Services:
1. Drill pipe strictly according to ISO9001 standard
2. If you found to quality problems within one month of the package returned.
3. All strictly according to the contract and fulfill the obligations and responsibilities
4. 24 hours online customer service,feel free contact us.
With quality cast brand, promote the development of integrity!
Main production :
water well drill pipe
mining drill pipe
square drill pipe
core barrel
casing pipe
tool joint
oil drill pipe
What is the Drill Pipe Application?
1, water well drilling;oil and gas well drilling;geothermal well drilling; geological exploration; mining well drilling; etc.
FAQ:
Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.
Q: What are your main products, and used for?
A: Our products include core barrel, casing, drill rod, drill rig and other drilling parts.
They are used for mineral exploration, geological drilling.
Q: How about the delivery terms?
A: 1.Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By sea, train.
Q: How about discount?
A: Price is based on products and order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How about your after-sales service?
A: As a manufacturer has 32 years of history we offer prompt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q: Where is your factory located in?
A: Our factory is located in SHIJIAZHUANG city, HEBEI province, China.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001.