KINGWELL API 7-1 drilling collars for drilling equipment downhole tools KINGWELL API 7-1 10" spiral drilling collars 003 manufacturer from China XI'AN KINGWELL OILFIELD MACHINERY CO.,LTD

KINGWELL API 7-1 drilling collars for drilling equipment downhole tools

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


	Add to My Favorites
HiSupplier Escrow	Share \|

Product Detail

Model No.: KINGWELL API 7-1 10" spiral...

Production Capacity: 1000 set per month

Delivery Date: 30 days after received adva...

Material: AISI 4145H Modified ally st...

Drill Collar Nominal size: NC70-100

Bending Strength ratio: 2.81:1

Supply Ability: 1000 sets per month

Color: depend on custom

Means of Transport: Ocean,Land,Air

Packing: EXPORT PACKAGES

Standard: API Spec 7-1

Size: 10"

Usage: Well Drilling

length: 9.150-9.450m

Brand Name: KW

1.Standard: API Spec 7-1
2.Material:AISI 4145H Modified ally steel
3.length:9.150-9.450m
4.With high quality
5. steady supply

KINGWELL API 7-1 drilling collars for drilling equipment downhole tools

Drilling Collar Quick details:

1.Standard: API Spec 7-1

2.Material: AISI 4145 H Modified Alloy Steel

3.Export Percentage: 95%

4.Supply Ability: 1000 sets per month
5. Main Market: Middle East, North America, Europe
6. Delivery time: 10 days in stock, 30 days after advance payment
FACTORY DERICTLY!!

Drilling Collar Usage :

One of the most important components of the drill string is

to provide drilling bit of pressure and the drill string rigid role .

Drilling Collar Detail:

Drilling Collar Specification:

Standard size ,bores and connectionfor drill collars

OD		ID		length mm (L)	Bevel diameter mm (DF)	connection style and size	Bending strength ratio
in	mm	in	mm	length mm (L)	Bevel diameter mm (DF)	connection style and size	Bending strength ratio
31/8	79.4	11/4	31.8	9150	76.2	NC23	2.57:1
31/2	88.9	11/2	38.1	9150	82.9	NC26(23/8IF)	2.42:1
41/8	104.8	2	50.8	9150	100.4	NC31(27/8IF)	2.43:1
43/4	120.7	2	50.8	9150	114.7	NC35	2.58:1
5	127	21/4	57.2	9150	121.0	NC38(31/2IF)	2.38:1
6	152.4	21/4	57.2	9150or9450	144.5	NC44	2.49:1
6	152.4	213/16	71.4	9150or9450	144.5	NC44	2.84:1
61/4	158.8	21/4	57.2	9150or9450	149.2	NC44	2.91:1
61/4	158.8	213/16	71.4	9150or9450	150.0	NC46(4IF)	2.63:1
61/2	165.1	21/4	57.2	9150or9450	154.8	NC46(4IF)	2.76:1
61/2	165.1	213/16	71.4	9150or9450	154.8	NC46(4IF)	3.05:1
63/4	171.4	21/4	57.2	9150or9450	159.5	NC46(4IF)	3.18:1
63/4	171.4	213/16	71.4	9150or9450	159.5	NC50(41/2IF)	2.37:1
7	177.8	21/4	57.2	9150or9450	164.7	NC50(41/2IF)	2.54:1
7	177.8	213/16	71.4	9150or9450	164.7	NC50(41/2IF)	2.73:1
71/4	184.2	213/16	71.4	9150or9450	169.5	NC50(41/2IF)	3.12:1
73/4	196.8	213/16	71.4	9150or9450	185.3	NC56	2.70:1
8	203.2	213/16	71.4	9150or9450	190.1	NC56	3.02:1
81/4	209.6	213/16	71.4	9150or9450	195.7	65/8REG	2.93:1
9	228.6	213/16	71.4	9150or9450	212.7	NC61	3.17:1
91/2	241.3	3	76.2	9150or9450	223.8	75/8REG	2.81:1
93/4	247.6	3	76.2	9150or9450	232.6	NC70	2.57:1
10	254.0	3	76.2	9150or9450	237.3	NC70	2.81:1
11	279.4	3	76.2	9150or9450	266.7	85/8REG	2.84:1

Mechanical Property :

Mechanical Property of Slick and Spiral drill collars made of AISI 4145 H

OD Range		Yield Strength MPa	TensileStrength MPa	Elongation %	Hardness HB	Impact Test J
mm	in	Yield Strength MPa	TensileStrength MPa	Elongation %	Hardness HB	Impact Test J
79.4171.4	31/863/4	≥758	≥965	≥13	285341	≥54
177.8279.4	711	≥689	≥930	≥13	285341	≥54

Mechanical Property of Non-mag Drill Collars

OD Range		Yield Strength MPa	TensileStrength MPa	Elongation %	Hardness HB	Impact Test J
mm	in	Yield Strength MPa	TensileStrength MPa	Elongation %	Hardness HB	Impact Test J
79.4171.4	31/863/4	≥758	≥827	≥18
177.8279.4	711	≥689	≥758	≥20

Company Profile:

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: