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API 7spiral drill collar

FOB Price

USD $2,230 - $14,950 / Piece

10 Pieces(Min.Order)

Supply Ability 500 Piece / Pieces per Month
Port TIanjin port
Payment Terms:T/T

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Product Details

Place of Origin:	Shandong, China	Brand Name:	GM, 4145H	Model Number:	Types, 31/8"-11"
Type:	Other, Drill Collar, Seamless	Machine Type:	Drilling Tool	Certification:	API
Material:	Carbon Steel	Processing Type:	Casting	Use:	Well Drilling

Product Description

spiral drill collar

Standard size ,bores and connection for drill collars

OD		ID		length mm	Bevel diameter mm	connection style and size	Bending strength ratio
in	mm	in	mm	length mm	Bevel diameter mm	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	9150 or 9450	149.2	NC44	2.91:1
6¹/₄	158.8	2¹³/₁₆	71.4	9150 or 9450	150.0	NC46(4IF)	2.63:1
6¹/₂	165.1	2¹/₄	57.2	9150 or 9450	154.8	NC46(4IF)	2.76:1
6¹/₂	165.1	2¹³/₁₆	71.4	9150 or 9450	154.8	NC46(4IF)	3.05:1
6³/₄	171.4	2¹/₄	57.2	9150 or 9450	159.5	NC46(4IF)	3.18:1
6³/₄	171.4	2¹³/₁₆	71.4	9150 or 9450	159.5	NC50(4¹/₂IF)	2.37:1
7	177.8	2¹/₄	57.2	9150 or 9450	164.7	NC50(4¹/₂IF)	2.54:1
7	177.8	2¹³/₁₆	71.4	9150 or 9450	164.7	NC50(4¹/₂IF)	2.73:1
7¹/₄	184.2	2¹³/₁₆	71.4	9150 or 9450	169.5	NC50(4¹/₂IF)	3.12:1
7³/₄	196.8	2¹³/₁₆	71.4	9150 or 9450	185.3	NC56	2.70:1

Contact Us

Goldenman Petroleum Equipment Co., Limited: Contact nameJane Qi; Phone0086-546-8058559; AddressNo. 67, Fuqian Street, Dongying District

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