API Customized Tool Joint Drilling Crossover Sub Saver Sub

• Customization: Available
• Warranty: 1 Year
• Manufacturing Process: Forging
• Surface Treatment: Polishing
• Operation Pressure: Atmospheric Pressure
• Material: P530
• Certificate: API
• Transport Package: Iron Frame Packaging
• Specification: According to the custom
• Trademark: East heavy
• Origin: Henan China
• HS Code: 8431431000

Product Description

Product Description

 

The drill string adapter is made of AISI4145H Cr-Mo steel and follows API Specifications. The Company can produce same-diameter, reducing and left lateral drill string adapters and can perform cold rolling, coppering or phosphating of threads.

The Company possesses a complete set of petroleum drilling tool production lines and mainly produces large deep-hole boring machines, ordinary lathes, CNC lathes, mill, printer, etc. The Company has established a dedicated testing center that is equipped with domestic and overseas advanced precision testing equipment and sound testing means to control the whole process of products and strictly abides by API 7-1, API 7-2, SY/T5144 and SY/T5146 standards to ensure that all performance indexes of the Company's products can meet international standards and standards of American Petroleum Institute (API). The Company has passed IS09001 quality management system certification and HSE management system certification and has obtained the right to use the logos of API petroleum drilling tools. Main drilling tools include non-magnetic drill collar, non-magnetic pressure drill pipe, ordinary drill collar, integrated heavy weight drill pipe, adapter, etc. The annual production capacity is 10,000 pieces. The Company can also machine products according to special requirements of users. 

 

 

Sort	Name	Top Connectio	Bottom Connection	Type
1	Kelly saver sub	Kelly	Drill pipe	A or B
2	Tool joint	Drill pipe	Drill pipe	A or B
3	Crossover sub	Drill pipe	Drill collar	A or B
4	Drill collar sub	Drill collar	Drill collar	A or B
5	Bit sub	Drill collar	Bit	A or B
6	Swivel sub	Swivel bottom sub	Kelly	Type C
7	Junk sub	Kelly	Drll pipe	Type C
		Drill pipe	Fishing tool	Type C

 

Note: When the diameter difference of the drill tool connected by the conversion joint is greater than 15mm(except for the water conversion joint and the fishing conversion joint), the A or B conversion joint can be used when the well depth is less than or equal to 2000m; the B conversion joint should be used when the well depth is greater than 2000m.

Mechanical properties of converters

Outer diameter dimension mm(in)	(σb) Mpa Tensile strength	σ0.2 Mpa Yield strength	84 Elongation	AKV J Impact	HB Brinell Hardnes
79.4-175(31/8-67/8)	≥965	≥760	≥13	≥54	≥285
178-254(7-10)	≥930	≥690			≥277

 

Dimensions of converters for connecting drill pipe

Drill pipes		OD (DL,DM,DU)		Df Bevel Diameter		ID		Type	Bending strength ration
Size	Grade	Basic size	Limiting deviation	Basic size	Limiting deviation	Basic size	Limiting deviation
60.3	E	85.7	±0.8	83.0	±0.4	44.5	+0.4   -0.8	NC26-E(23/8IF-E)	1.10
	X							NC26-X(23/8IF-X)	0.87
	G							NC26-G(23/81F-G)	0.79
73.0	E	104.8		100.4		54.0		NC31-E(27/8IF-E)	1.03
	X					50.8		NC31-X(27/8IF-X)	0.90
	G							NC31-G(27/8IF-G)	0.82
	S	111.1				41.3		NC31-5(27/BIF-5)	0.82
88.9	E	120.7		116.3		68.3		NC38-E(31/81F-E)	0.98
	X	127.0				65.1		NC38-X(31/8IF-X)	0.87
	G					61.9		NC38-G(31/8IF-G)	0.86
	S					54.0		NC3B-S(31/BIF-S)	0.80
	E					65.1		NC38-E(31/8IF-E)	0.97
	X					61.9		NC38-X(31/81F-X)	0.83
	G					54.0		NC38-G(31/8IF-G)	0.90
	5135	139.7		127.4		57.2		NC40-G(4FH-G)	0.87
101.6	E	152.4	±0.8	145.0	±0.4	82.6	+0.4   -0.8	NC46-E(4IF-E)	1.23
	X							NC46-X(41F-X)	0.97
	G							NC46-G(4IF-G)	0.88
	5					76.2		NC46-S(4IF-S)	0.81
114.3	E	168.3		154.0		95.3		NC50-E(41/2IF-E)	1.23
	X							NC50-X(41/2IF-X)	0.97
	G							NC50-G(41/2IF-G)	0.88
	S					88.9		NC50-5(41/2IF-S)	0.81
	E					92.1		NC50-E(41/2IF-E)	1.02
	X					88.9		NC50-X(41/2IF-X)	0.96
	G							NC50-G(41/2IF-G)	0.86
	S					76.2		NC50-5(41/2IF-S)	0.87
127.0	E	168.3	±0.8	154.0	±0.4	95.3	+0.4   -0.8	NC50-E(41/2IF-E)	0.92
	X					880		NC50-X(41/2IF-X)	086
	G					82.6		NC50-G(41/2IF-G)	0.89
	S					69.9		NC50-5(41/2IF-S)	0.86
	E					88.9		NC50-E(41/21F-E)	0.86
	X					76.2		NC50-X(41/2IF-X)	0.86
	G					69.9		NC50-G(41/2IF-G)	0.87
139.7	E	177.8		170.7		95.3		51/2FH-E	1.53
	X							51/2FH-X	1.21
	G							51/2FH-G	1.09
	S	184.2				88.9		51/2FH-S	0.98
	E	177.8						51/2FH-E	1.21
	X							51/2FH-X	0.95
	G	184.2						51/2FH-G	0.99
	S					82.6		51/2FH-S	0.83

 

Dimensions of converters for connecting drill collars

OD(DL,DM)		Chamfer diameter DF		ID		Drill collar code	Bending ratio
Basic size	Limit deviation	Basic size	Limit deviation	Basic size	Limit deviation
79.4	+1.2 0	76.2	±0.4	31.8	+1.6 0	ZTNC23-31	2.57:1
88.9		82.9		38.1		ZTNC26-35(23/8IF)	2.42:1
104.8	+1.6 0	100.4		50.8		ZTNC31-41(27/8IF)	2.43:1
120.7	+2.0 0	114.7				ZTNC35-47	2.58:1
127.0		121.0		57.2		ZTNC38-50(31/21F)	2.38:1
152.4	+3.2 0	144.5				ZTNC44-60	2.49:1
				71.4
158.8		149.2		57.2		ZTNC44-62	2.84:1
		150.0		71.4		ZTNC46-65(4IF)	2.91:1
165.1		154.8		57.2		ZTNC46-65(4IF)	2.63:1
				71.4
171.4	+4.0 0	159.5		57.2		ZTNC46-67(4IF)	2.76:1
177.3		164.7				ZTNC50-67(41/2IF)	3.05:1
				71.4
184.2		169.5				ZTNC50-72(41/2IF)	3.18:1
196.9		185.3				ZTNC56-77	2.70:1
203.2		190.1				ZTNC56-80	3.02:1
209.4		195.7				ZT65/8REG-82	2.93:1
228.6	+4.8 0	212.7				ZTNC61-90	3.17:1
241.3		223.8		76.2		ZT75/8REG-95	2.81:1
247.6	+6.4 0	232.6				ZTNC70-97	2.57:1
254.0		237.3				ZTNC70-100	2.81:1
279.4		266.7				ZTNC77-110	2.84:1

Dimensions for converters connecting kelly pipe to water

OD			Chamfer diameter DF			Thread designation
Basic size		Limit deviation	Basic size		Limit deviation	Standard	Select
Standard	Select		Standard	Select
196.8	146.0	±0.8	186.1	134.5	±0.4	6 5/8 REG	4 1/2 REG
196.8	146.0	±0.8	186.1	134.5	±0.4	6 5/8 REG	4 1/2 REG

 

Bottom end of kelly pipe					Inside diameter ID		Kelly type	Kelly specifications
Outer diameter DLR		Chamfer diameter DF		Thread designation
Basic size	Limit deviation	Basic size	Limit deviation		Basic size	Limit deviation
85.7	±0.8	82.9	±0.4	NC26(2 3/8IF)	31.8	+1.60	Square drill pipe	2 1/3
104.8		100.4		NC31(2 7/8IF)	4.4			3
120.6		116.3		NC38(3 1/2IF)	57.2			3 1/2
158.8		145.3		NC46(4IF)	71.4			4 1/2
161.9		150.4		Nc50(4 1/2IF)
177.8		170.7		5 1/2FH)	82.6			5 1/2
		171.0		NC56
85.7	±0.8	82.9	±0.4	NC26(2 3/8IF)	38.1	+1.60	A hexagonal drill pipe	3
104.8		100.4		NC31(2 7/8IF)	44.4			3 1/2
120.6		116.3		NC38(3 1/2IF)	57.2			4 1/2
158.8		145.3		NC46(4IF)	76.2			5 1/2
161.9		150.4		NC50(4 1/2IF)	82.6
177.8		170.7		5 1/2FH)	88.9			6
		171.0		NC56

 

 

The chamfer diameter of the converter connecting the bit

Chamfer diameter DF		Adapter thread code
Basic size	Limit deviation
77.4	±0.4	2 3/8REG
91.7		2 7/8REG
104.4		3 1/2REG
135.3		4 1/2REG
165.1		5 1/2REG
186.9		6 5/8REG
215.1		7 5/8REG
242.5		8 5/8REG

Surface roughness

Pin shoulder face	box shoulderface	thread working surface	thread crest surface
Ra≤3.2	Ra≤3.2	Ra≤6.3	Ra≤12.5

 

Detailed Photos

 

 

Certifications

 

Quantity (pieces)	1 - 1	> 1
Lead time (days)	20	To be negotiated

Customized logo

Min. order: 1 piece

Customized packaging

Min. order: 1 piece

Graphic customization

Min. order: 1 piece

For more customization details, message supplier

 

After Sales Service

After-sale Warranty

(1) Free change once the problem caused by the quality issue.
(2) Timely after-sale assistance shall be provided all the time.

 

FAQ

Q: Are you original manufacturer or trading company?

A: We are an integrated corporation specialized in manufacturing and exporting.

Q: Can you supply related drilling tools?
A: Yes, we can supply full set of drilling tools, such as drill pipe, tricone bit, PDC bit, drag bit, DTH Hammer. Moreover, we
have drilling equipments like rigs, mud pump, air compressor, etc. as well.

Q: Which payment terms can you accept?
A: Normally we prefer 30% advance payment after purchase order by T/T, 70% remaining payment before shipping by T/T. And 100% advance payment after purchase order by T/T for small orders.

Q: How is your delivery time?
A: This will depend on your purchasing quantity. Normally we can deliver 10-15 days.

Q: How can you ensure the quality?
A: We have our professional QC and all the products will be strict inspection and testing for every order before shipping out.