X-over coupling is used for switching and connection of drill stem in petroleum, natural gas and geology drilling work. Suitable for onshore or offshore drilling operations.

General Features
• Suitable for cold area and desert environment
• Suitable for onshore or offshore rigs
• Multiple choices for different connection

Main Specifications
Type: Kelly, DP, Interim, DC, Bit, Swivel, Fishing

Parameters

Description	Upper Connection pat	Lower Connection Part	Type
Kelly cross-over sub	Kelly	Drill pipe	A or B
Drill pipe cross-over sub	Drill pipe	Drill pipe	A or B
Interim cross-over sub	Drill pipe	Drill collar	A or B
Drill collar cross-over sub	Drill collar	Drill collar	A or B
Drill bit cross-over sub	Drill collar	Drill bit	A or B
Swivel cross-over sub	Swivel lower sub	Kelly	C
Fishing cross-over sub	Kelly	Drill pipe	C
	Drill pipe	Fishing tools	C

Oil Well X-over Coupling

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Oilfield X-over Coupling

Defines many terms related to oil and gas exploration and production. Includes illustrations.

Defines many terms related to oil and gas exploration and production. Includes illustrations.

Professional oilfield technique service company.

X-over Coupling

For sites devoted to the couple.

Includes cast overview and user comments.

Information about the S-Anon Couples in Recovery program and meetings.

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