API standard S135 5\
Usage:Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized and hole track by large rigidity
Material: AISI 4145H, 4145H Mod and Non-magnetic material.
Standard:API Spec7, API Spec7-1 and SY/T Standard.ALSO WE CAN SUPPLY DS-1 and NS-1 STANDARD.
Type:Slick drill collar
Spiral drill collar
Non-magnetic material.
Hard band: Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Also we can make according to customers’ requirements.
Size:OD: 3 1/8”~~11”; ID: 1 1/2”Min. Length:10’~~31’
Detail specification
Standard size ,bores and connection for Drill Collar |
|||||||
Style of connection |
OD |
ID |
Length |
Bevel |
Bending strength Ratio |
||
mm |
in |
mm |
in |
mm |
diameter mm |
||
NC23-31 |
79.4 |
3 1/8 |
31.8 |
1 1/4 |
9150 |
76.2 |
2.57:1 |
NC26-35(23/8IF) |
88.9 |
3 1/2 |
38.1 |
1 1/2 |
9150 |
82.9 |
2.42:1 |
NC31-41(27/8IF) |
104.8 |
4 1/8 |
50.8 |
2 |
9150 |
100.4 |
2.43:1 |
NC35-47 |
120.7 |
4 3/4 |
50.8 |
2 |
9150 |
114.7 |
2.58:1 |
NC3850(31/2IF) |
127.0 |
5 |
57.2 |
2 1/4 |
9150 |
121.0 |
2.38:1 |
NC44-60 |
152.4 |
6 |
57.2 |
2 1/4 |
9150or9450 |
144.5 |
2.49:1 |
NC44-62 |
158.8 |
6 1/4 |
57.2 |
2 1/4 |
9150or9450 |
149.2 |
2.91:1 |
NC46-62(4IF) |
158.8 |
6 1/4 |
71.4 |
2 13/16 |
9150or9450 |
150.0 |
2.63:1 |
NC46-65(4IF) |
165.1 |
6 1/2 |
57.2 |
2 1/4 |
9150or9450 |
154.8 |
2.76:1 |
NC46-65(4IF) |
165.1 |
6 1/2 |
71.4 |
2 13/16 |
9150or9450 |
154.8 |
3.05:1 |
NC46-67(4IF) |
171.4 |
6 3/4 |
57.2 |
2 1/4 |
9150or9450 |
159.5 |
3.18:1 |
NC50-67(41/2IF) |
171.4 |
6 3/4 |
71.4 |
2 13/16 |
9150or9450 |
159.5 |
2.37:1 |
NC50-70(41/2IF) |
177.8 |
7 |
57.2 |
2 1/4 |
9150or9450 |
164.7 |
2.54:1 |
NC50-70(41/2IF) |
177.8 |
7 |
71.4 |
2 13/16 |
9150or9450 |
164.7 |
2.73:1 |
NC50-72(41/2IF) |
184.2 |
7 1/4 |
71.4 |
2 13/16 |
9150or9450 |
169.5 |
3.12:1 |
NC50-77 |
196.8 |
7 3/4 |
71.4 |
2 13/16 |
9150or9450 |
185.3 |
2.70:1 |
NC50-80 |
203.2 |
8 |
71.4 |
2 13/16 |
9150or9450 |
190.1 |
3.02:1 |
6 5/8REG |
209.6 |
8 1/4 |
71.4 |
2 13/16 |
9150or9450 |
195.7 |
2.93:1 |
NC61-90 |
228.6 |
9 |
71.4 |
2 13/16 |
9150or9450 |
212.7 |
3.17:1 |
7 5/8REG |
241.3 |
9 1/2 |
76.2 |
3 |
9150or9450 |
223.8 |
2.81:1 |
NC70-97 |
247.6 |
9 3/4 |
76.2 |
3 |
9150or9450 |
232.6 |
2.57:1 |
NC70-100 |
254.0 |
10 |
76.2 |
3 |
9150or9450 |
237.3 |
2.81:1 |
8 5/8REG |
279.4 |
11 |
76.2 |
3 |
9150or9450 |
266.7 |
2.84:1 |
Mechanical Property of Drill Collar |
||||||
OD |
Yield Strength |
Tensile Strength |
Elongation |
Brinell Hardness HB |
Charpy |
|
mm |
in inch |
σ 0.2 Mpa |
σ b Mpa |
4% |
AKVJ |
|
79.4-171.4 |
3 1/8-6 3/4 |
≥758 |
≥965 |
≥13 |
285-341 |
≥54 |
177.8-279.4 |
7-11 |
≥689 |
≥930 |
Stress Relief Groove for Thread Connection |
|||||
Style of Connection |
Length between Inner Thread Shoulder and the last Dens |
Diameter of Inner Thread |
Taper of the Hole nest to inner Thread |
Outer Thread Diameter |
Length between alternative Inner Thread Shoulder and Stress Relief Groove |
±1.59mm |
Dcb+0.40,-0 |
±20.83 |
DRG+0 -0.79 |
LRG +0 -3.18 |
|
mm |
mm/m |
mm |
mm |
||
NC35 |
82.6 |
82.15 |
166.67 |
82.15 |
85.73 |
NC38(3 1/2IF) |
88.9 |
88.11 |
166.67 |
89.3 |
92.08 |
NC44 |
101.6 |
101.6 |
166.67 |
106.36 |
104.78 |
NC46(4IF) |
101.6 |
106.76 |
166.67 |
109.93 |
104.78 |
NC50(4 1/2IF) |
101.6 |
117.48 |
166.67 |
120.65 |
104.78 |
NC56 |
114.3 |
121.84 |
250 |
134.14 |
117.48 |
NC61 |
127 |
132.95 |
250 |
149.25 |
130.18 |
NC70 |
139.7 |
152 |
250 |
171.05 |
142.88 |
6 5/8REG |
114.3 |
134.14 |
166.67 |
137.72 |
117.48 |
7 5/8REG |
120.7 |
133.35 |
250 |
162.72 |
123.83 |
8 5/8REG |
123.8 |
149.25 |
250 |
184.94 |
127 |
Note: The connection of NC23、26、31 and 2 3/8IF are without stress relief groove mould for their thin wall. |
Package:
1.Standard Senwell export package
2.Requested by customers
Our Services:
1.High quality products with favorable price at right delivery
2.Customized products
3.Warranty
When enquiry, please kindly advise below:
1.Size: as above chart
2.Connection
3.Quantity
4.Port of destination if you need CNF or CIF price
5.Your ideal delivery date if you need the goods urgently
Company Profile
SENWELL's main products cover 220 types and more than 1000 specifications presently. Our business covers non-magnetic products, drilling stem tools, fishing tools, jarring tools, coring tools, cementing tools, milling tools, well head tools, accessory tools, downhole tools, oil mining equipment, drill equipment, well control systems and pipes.
Today, with strong technology and profuse experience, SENWELL not only provides a comprehensive range of oilfield tools, but also provides tools for machinery industry and has decades of production experience. Main products are sand casting, investment casting, forging, centrifugal casting and machining equipment.
We have a great deal of outstanding and seasoned employees. Relying on advanced equipment and techniques, with the scientific management theory and spirit of "seriously dealing with matters relating to works", we have established long-term cooperative relationships with more than a hundred famous and large manufacturers in China. Our company creates a steady-going and reliable environment for our product research, development and sale.
We are based on the tenet of "providing consistent high quality products and the best services to meet the strict needs of our customers; to create value for our customers and provide our customers with a return on their investment" and the business philosophy of "people-oriented, customer first and reliability first". Our products have been successfully exported to Europe, America, the Middle East, South Africa and Southeast Asia. In the international market, we have acquired an excellent reputation among the clients.
We welcome new and old customers from all over the world to contact us for future business relationships and achieving mutual success! To benefit from our strong OEM/ODM capabilities and considerate services, contact us today. We believe you will be better with our support
Отправить запрос, связаться с поставщиком
Другие товары поставщика
API standard 4 blades 12-1/4\ | Products Specification PDC Drill Bits have strong multi-blade profiles to ensure smooth drilling performance at high rotation speeds. Ideal for us... | |
API standard casing drift & tubing drift | Driftis a simple and general tools designed to measure inside size of casing, tubing, drill pipe and other pipe. Drift are available in casing drif... | |
API standard steel thread protector for drill stem tools/ drill pipe, drill collar, | Product Specification Standard: API 5DP Material: heavy duty plastic Size: NC26~ NC50 or equivalent Application: Protection for drill pipe thre... | |
API standard double bail casing drift & tubing drift in metal | Driftis a simple and general tools designed to measure inside size of casing, tubing, drill pipe and other pipe. Drift are available in casing drif... | |
API standard oilfield drilling use casing scraper | Casing Scraper Casing scraper is used to removal of the dirties which may be left over inside wall of casing, such as cement scale, sandy soil, emb... |
Похожие товары
Steel Searcher Steel Product & Hardware | Продавец: STEEL SEARCHER HONG KONG LIMITED | Steel Searcher is a professional steel hardwareproduct company that provides comprehensive steel ... | |
Frac PU Layflat Hose | Продавец: SUZHOU SEAPEAK CO.,LTD | The outer cover of our PU layflat hose has been produced with extra thickness for tough environme... | |
SDS-05030 0.50mm Diameter 30mm Length Glued Steel Fiber | Продавец: Tengzhou Star Smith Metal Products Co.,Ltd | This kind of steel fiber is made of high-speed wire, when you add it to concrete, which can impro... | |
SDS Micro Copper Coated Steel Fiber | Продавец: Tengzhou Star Smith Metal Products Co.,Ltd | Micro brass fibers are made of copper coated steel wire , which is the most important materials o... | |
SDS Loose Hooked End Steel Fiber | Продавец: Tengzhou Star Smith Metal Products Co.,Ltd | Hooked end steel fibres are made of high-quality cold drawn steel line, in order to make sure tha... |