China supplier!! high quality oilfield Circulating Sub

FOB Price

US$ 50 - 300 / Piece

1 Piece(Min. Order)

Port Shanghai / Tianjin / Qingdao Port
Payment TermsT/T L/C D/P D/A Credit Card PayPal

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Product Details

Place of Origin	China	Brand Name	SINOTAI
Model Number	S	Type	Other, Circulating Sub
Machine Type	Drilling Tool	Certification	API
Material	Carbon Steel	Processing Type	Forging
Use	Well Drilling

Packaging Details

export standard packing or as customer's requirments

Product Description

Circulating Sub

The circulating sub is connected between wellhead pipe string and ground circulating system. When casing is running or finished running, the circulating sub is connected to make fluid circulation. According to the application, the circulating sub is connected between Kelly and casing or between casing and hose. The former is used for fluid circulation during connecting of casing. The later generally is used after connecting of casing.

Construction

The circulating sub during running casing is equipped with casing pin thread on one end or DP thread and DP box thread or union thread on other end.

specifications - Circulating sub

Thread/ Model		I.D.(mm)	Length(mm)
Drill pipe box connection	Casing thread
NC38	5 BTC	57	500
	5 LTC
	5 ST & C
NC38	5 1/2 BTC	57	580
	5 1/2 LTC
	5 1/2 ST & C
NC50	7 BTC	71	600
	7 LTC
	7 ST & C
NC50	9 5/8 BTC	71	620
	9 5/8 LTC
	9 5/8 ST & C
NC50	10 3/4 BTC	71	670
	10 3/4 LTC
	10 3/4 ST & C
NC50	13 3/8 BTC	71	670
	13 3/8 LTC
	13 3/8 ST & C

Company Profile

Sinotai Petroleum Equipment Co., Ltd.

As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.

Contact Us

Sinotai Petroleum Equipment Co., Ltd.: Contact nameHerish Kuo
Chat Now; Phone86-546-8300512; AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng

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Product Categories

Cementing tools	Down hole tools	Drilling Rig Accessories	Drilling Tools
Mud pump system	New Products	OCTG	Petroleum Instrument
Production Equipment	Protective Equipment	solid control system	Well control system
well head tools

China supplier!! high quality oilfield Circulating Sub

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