API 3-1/8"-11" Petroleum Drill Collar KINGWELL api 7-1 3-1/8"-11" drill collar 007 manufacturer from China XI'AN KINGWELL OILFIELD MACHINERY CO.,LTD

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.: KINGWELL api 7-1 3-1/8"-11"...

Production Capacity: 1000 set per month

Delivery Date: 30 days after received adva...

Standard: API SPEC 7-1

Model: 3-1/8"-11"

Export Percentage: 95%

Brand Name: KW

Means of Transport: Ocean,Land,Air

Packing: bundling or loose

Material: AISI 4145 H Modified Alloy ...

Applicantion: offshore well drilling

MOQ: 2 Sets

Supply ability: 1000 sets per month

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

API 3-1/8"-11" Petroleum Drill Collar

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!!

Generally Introduction:
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. TIANHE brand drill collars are manufactured strictly from API Spec7-1 and SY5411 standard.

Types of Drill Collar we offer:

1. Api spiral drill collar

2. Slick drill collar

3. Non-magnetic drill collar

Detailed Specification:

Technical specifications and parameters

Drill Collar Number	O.D.		I.D.		Length (mm)	Bevel Diameter	Ref bend g Strength ratio
Drill Collar Number	(mm)	(in)	(mm)	(in)	Length (mm)	Bevel Diameter	Ref bend g Strength ratio
NC23-31	79.4	3 1/8	31.8	1 1/2	9150	76.2	2.57:1
NC26-35(2 3/8 IF)	88.9	3 1/2	38.1	1 1/2	9150	82.9	2.42:1
NC31-41(2 7/8 IF)	104.8	4 1/8	50.8	2	9150	100.4	2.43:1
NC35-47	120.6	4 3/4	50.8	2	9150	114.7	2.58:1
NC38-50(3 1/2 IF)	127.0	5	57.2	2 1/4	9150	121.0	2.38:1
NC44-60	152.4	6	57.2	2 1/4	9150 & 9450	144.5	2.49:1
NC44-60	152.4	6	71.4	2 13/16	9150 & 9450	144.5	2.84:1
NC44-62	158.8	6 1/4	57.2	2 1/4	9150 & 9450	149.2	2.91:1
NC46-62(4IF)	158.8	6 1/4	71.4	2 13/16	9150 & 9450	150.0	2.63:1
NC46-65(4IF)	165.1	6 1/2	57.2	2 1/4	9150 & 9450	154.8	2.76:1
NC46-65(4IF)	165.1	6 1/2	71.4	2 13/16	9150 & 9450	154.8	3.05:1
NC46-67(4IF)	171.4	6 3/4	57.2	2 1/4	9150 & 9450	159.5	3.18:1
NC50-67(4 1/2 IF)	171.4	6 3/4	71.4	2 13/16	9150 & 9450	159.5	2.37:1
NC50-70(4 1/2 IF)	177.8	7	57.2	2 1/4	9150 & 9450	164.7	2.54:1
NC50-70(4 1/2 IF)	177.8	7	71.4	2 13/16	9150 & 9450	164.7	2.73:1
NC50-72(4 1/2 IF)	184.2	7 1/4	71.4	2 13/16	9150 & 9450	169.5	3.12:1
NC56-77	196.8	7 3/4	71.4	2 13/16	9150 & 9450	185.3	2.70:1
NC56-80	203.2	8	71.4	2 13/16	9150 & 9450	190.1	3.02:1
6 5/8 REG	209.6	8 1/4	71.4	2 13/16	9150 & 9450	195.7	2.93:1
NC61-90	228.6	9	71.4	2 13/16	9150 & 9450	212.6	3.17:1
7 5/8 REG	241.3	9 1/2	76.2	3	9150 & 9450	223.8	2.81:1
NC70-97	247.6	9 3/4	76.2	3	9150 & 9450	232.8	2.57:1
NC70-100	254	10	76.2	3	9150 & 9450	237.3	2.81:1
8 5/8 REG	279.4	11	76.2	3	9150 & 9450	266.7	2.84:1

Our recently produced Drill Collar:

API 3-1/8 -11Petroleum Drill Collar

Warrantee:

1. All of our goods give 1 year warranty.

2. Within guarantee period, we supply free after service. After guarantee period, we supply square parts in 20% discount.

Contact:

1. Our working time: 8:00am~22:00pm (if urgent, please call our director: jerry, Mobile: +86-18729329559)

2. All the inquiries will be replied within 24hours, so please feel to send us your inquiry.

3. When our skype is off line, please feel free to leave a message, and tell us the products you need, our model number, and your E-mail address.

When ordering or requesting quotation, if size other than above specifications, please specify clearly! Please feel free to contact us for more details and more products.