API Drilling Collar of Downhole Drilling Equipment API KINGWELL 7-1 11" drilling collar 005 manufacturer from China XI'AN KINGWELL OILFIELD MACHINERY CO.,LTD

API Drilling Collar of Downhole Drilling Equipment

Price:	10.0 USD
Payment Terms:	T/T,L/C,D/A,D/P
Place of Origin:	Shaanxi, China (Mainland)


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Product Detail

Model No.: API KINGWELL 7-1 11" drilli...

Production Capacity: 1000 set per month

Delivery Date: 30 days after received adva...

Material: AISI 4145H Modified Alloy s...

Size: 8-1/4"

Packaging: bundling or loose

Payment terms: T/T, L/C

Supply Ability: 1000 sets per month

Means of Transport: Ocean,Land,Air

Packing: EXPORT PACKAGES

Standard: API Spec 7-1

Type: Drilling Tool

Place of Origin: China

Delivery Port: Tianjin Port or Shanghai Po...

Brank Name: KW

1.Standard: API Spec 7-1
2.Material: AISI 4145 H Modified Alloy Steel and Non-mag Material
3.High Quality with competitive price
4. steady supply

API Drilling Collar of Downhole Drilling Equipment

1. Quick detail:

A. Material:AISI 4145H Modified Alloy steel, Non-mag Material
B. Size: 3-1/8"-11"

C. Inspection&Test: When producing, traceability are maintained from the receipt of raw material to completion of final products, and serial numbers are die-stamped on each workpiece body. During each manufacturing process, inspection and test are performed.

D. Main Market:Middle East, North America, Europe

E. Export Percentage: 95%

F. Supply Ability: 1000 sets per month

2. Goods Description:
Drill collars are manufactured strictly according to API Spec7-1 standard with material of AISI 4145 Mod. Kingwell supplies slick drill collars, spiral drill collars and non-magnetic drill collars etc. The size of drill collar Kingwell is from 3-1/8 to 11 inches. Besides models listed in the table below, other drill collars at customers' specific request can be available.

API Drilling Collar Detail:

3. Drilling Collar Technical parameter

Drill Collar Model	D		d		L(mm)	DF(mm)	Bending Strength ratio	Drill Collar Nominal size
Drill Collar Model	mm	In	mm	in	L(mm)	DF(mm)	Bending Strength ratio	Drill Collar Nominal size
QW-DC3-1/8	79.4	3-1/8	31.8	1-1/2	9,150	76.2	2.57:1	NC23-31
QW-DC 3-1/2	88.9	3-1/2	38.1	1-1/2	9,150	82.9	2.42:1	NC26-35(2-3/8IF)
QW-DC 4-1/8	104.8	4-1/8	50.8	2	9,150	100.4	2.43:1	NC31-41(2-7/8IF)
QW-DC 4-3/4	120.7	4-3/4	50.8	2	9,150	114.7	2.58:1	NC35-47
QW-DC 5	127	5	57.2	2-1/4	9,150	121	2.38:1	NC38-50(3-1/2IF)
QW-DC 6A	152.4	6	57.2	2-1/4	9,150/9,450	144.5	2.49:1	NC44-60
QW-DC 6B	152.4	6	71.4	2-13/16	9,150/9450	144.5	2.84:1	NC44-60
QW-DC 6-1/4A	158.8	6-1/4	57.2	2-1/4	9,150/9,450	149.2	2.91:1	NC44-62
QW-DC 6-1/4B	158.8	6-1/4	71.4	2-13/16	9,150/9,450	150	2.63:1	NC46-62(4IF)
QW-DC 6-1/2A	165.1	6-1/2	57.2	2-1/4	9,150/9,450	154.8	2.76:1	NC46-65(4IF)
QW-DC 6-1/2B	165.1	6-1/2	71.4	2-13/16	9,150/9,450	154.8	3.05:1	NC46-65(4IF)
QW-DC 6-3/4A	171.4	6-3/4	57.2	2-1/4	9,150/9,450	159.5	3.18:1	NC46-67(4IF)
QW-DC 6-3/4B	171.4	6-3/4	71.4	2-13/16	9,150/9,450	159.5	2.37:1	NC50-67(4-1/2IF)
QW-DC 7A	177.8	7	57.2	2-1/4	9,150/9,450	164.7	2.54:1	NC50-70(4-1/2IF)
QW-DC 7B	177.8	7	71.4	2-13/16	9,150/9,450	164.7	2.73:1	NC50-70(4-1/2IF)
QW-DC 7-1/4	184.2	7-1/4	71.4	2-13/16	9,150/9,450	169.5	3.12:1	NC50-72(4-1/2IF)
QW-DC 7-3/4	196.8	7-3/4	71.4	2-13/16	9,150/9,450	185.3	2.70:1	NC56-77
QW-DC 8	203.2	8	71.4	2-13/16	9,150/9,450	190.1	3.02:1	NC56-80
QW-DC 8-1/4	209.6	8-1/4	71.4	2-13/16	9,150/9,450	195.7	2.93:1	6-5/8REG
QW-DC 9	228.6	9	71.4	2-13/16	9,150/9,450	212.7	3.17:1	NC61-90
QW-DC 9-1/2	241.3	9-1/2	76.2	3	9,150/9,450	223.8	2.81:1	7-5/8REG
QW-DC 9-3/4	247.6	9-3/4	76.2	3	9,150/9,450	232.6	2.57:1	NC70-97
QW-DC 10	254	10	76.2	3	9,150/9,450	237.3	2.81:1	NC70-100
QW-DC 11	279.4	11	76.2	3	9,150/9,450	266.7	2.84:1	8-5/8 REG

Xi'an Kingwell Oilfield Machinery Co.,Ltd is a highly reputable supplier for oilfield equipment and services to Oil & Gas industries and provide complete solutions.

With over 10 years developing, we were developed from the beginning drilling service to manufacture factory who produce OCTG, DST tools and Solid Control products.

KINGWELL have experienced team, stronger enough to meet any challenge, we do believe honest is the base of business and cooperation, our aim is to build solid relationship with any part of honest. kingwell can provide highly efficient services to its clients resulting in accurate and timely deliveries at the best prices.
It is a professional supplier for oilfield products according to the API standard. We exporting ALL KINDS OF OILFIELD MACHINERY AND TOOLS with super Quality and Competitive Price in CHINA.

Qualification: