reduced section drill stem sub

Place of Origin:Made in Wuxi, China

Brand Name:cge

Model Number:AQ BQ NQ NQ3 HQ3 PQ PQ3 T2 Series T6 Series

... subs can be used to protect drill stem (rod) from consumption in the way of making the connector to bear most of torque force. Concerning packing and shipping, our drill stem subs are packaged by wooden boxes, and can be transported by air and sea. And

Place of Origin:Hebei,China

Drilling Crossover subs Thread Surface Treatment Phosphating Copper Plating Oil Field *, *::before, *::after {box-sizing: border-box;}* {margin: 0;}html, body {height: 100%;}body {line-height: 1.5;-webkit-font-smoothing: antialiased;}img, picture, video, ...

Brand Name:JS

Place of Origin:Hebei, China

...Drilling Cross Joint Reduced Section Joint Product Description Conversion joints are used to convert from one connection size to another or as disposable components to extend the connection life of more expensive drill pipe members. Crossover sub Description Upper Connection pat Lower Connection Part Type Kelly cross-over sub Kelly Drill pipe A or B Interim cross-over sub Drill pipe Drill collar A or B Drill bit cross-over sub Drill

Brand Name:ZZ TOP OIL TOOLS

Model Number:Downhole Tester Valve

Place of Origin:China

... downhole closures where pipe manipulation is restricted and a full opening string is desired. The downhole tester valve is composed of four basic sections; ball valve section, upper hydraulic section, nitrogen section and the

Model Number:All types

Place of Origin:China

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools Description of crossover sub: Crossover sub is mainly used to connect upper and lower drill tools in different connectors in drilling operations. Also it can be used to protect other tooling in drill stem (called saver sub) or be used to deliver outgoing air to the bit face just above the bit (called bit sub). The length of crossover subs...

Brand Name:ENG

Model Number:3200

Place of Origin:China

.... It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations. Specification : There are three types such as pin*pin, pin*box, box*box. We carry size range of 2-3/8", 2-7/8″, 3-1/2″,4″ and 4-1/2″ in

Brand Name:MIROC

Model Number:Cross Over Subs

Place of Origin:China

Drill Pipe Sub for Connection API Standard Tricone Bit Cross Over Subs Description: Cross-over sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations. Cross-over sub is API standard Material is AISI 4145H chromium-molybdenum steel. We can offer Kelly cross-over sub, Drill...

Brand Name:Techcore

Model Number:DST Ball Valve Assy.

Place of Origin:CHINA

Drill Stem Testing Tools Tester Valve / Circulating Valve Ball Valve Section The Ball Valve assembly is the most important part of drill stem testing tools including OMNI circulating valve/Multi - circulating valve, Select tester valve, LPR-N valve and ...

Place of Origin:China

Brand Name:SHUGUANG

...drill collar and drill pipe. Since the transition from the drill collar to the drill pipe section drastic changes , bending stress concentrates on the drill pipes. Therefore HWDP between drill collar and drill pipe can ease the section changes, reduce the stress concentration, so as to reduce

Brand Name:ATO

Place of Origin:CHINA

...drill pipe tool joint/drill pipe sub for well drilling 1:Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50 2:Type of Tool joint: NC, IF, FH, XH, REG 3:Material: 40Cr, 35CrMo, 4137H Tool joints are short sections of pipe that are attached to the tubing portion of drill...

Brand Name:Techcore

Model Number:RD Circulating Valve

Place of Origin:China

...Drill Stem Testing The Rupture Disc Circulating valve is the same as RD Safety circulating valve except short of ball valve section, the annulus pressure made RD burst and the pressure goes into RD hole and push circulating mandrel forward, then open the circulating ports. The tool is composed of three major sections: 1. The power section...

Brand Name:New Diamond

Model Number:12 1/4” 311mm Tricone drill Bits

Place of Origin:Hunan, China (Mainland)

... torque, cutting teeth and the bottom of the contact area is small, high pressure, easy to eat into the ground, work The total blade length, and thus reduce wear and tear. Tricone bit to adapt to a variety of stratum from soft to hard. According to the

Place of Origin:Hebei,China

Product Description: Crossover Subs are a type of bit sub drilling, specially designed for oil drilling operations. With a combination of phosphating and copper plating surface treatment, they offer high performance in comparison with other traditional ...

Brand Name:Longway

Place of Origin:China

Double-walled RC drill pipe is used for core sampling drilling and gas lift reverse circulation drilling Product Description: This series of reverse circulation pipes can increase the permeability of the lost stratum, reduce the consumption of drilling ...

Brand Name:ROSCHEN

Model Number:5’, 10’, 15’, 20’

Place of Origin:Germany

.... 3. Strick quality control. Rotary Subs: Roschen rotary subs include: Straight OD subs Reduced section OD subs Crossover subs Bit Subs Saver Subs Side Entry Subs Pump In Subs The rotary subs are available in standard sizes specified in API and in a

Brand Name:TR Solids Control

Model Number:TRDQA

Place of Origin:Xi'an China

... a drill stem component. The saver sub connection is sacrificed because it can be easily repaired or inexpensively replaced. The saver sub can be equipped with a rubber protector to reduce BOP equipment and casing wear resulting from contact damage with a

Brand Name:MIROC

Model Number:DTH Sub

Place of Origin:China

... operations. Also it can be used to protect other tooling in drill stem (called saver sub) or be used to deliver outgoing air to the bit face just above the bit (called bit sub). The length of crossover subs is generally measured from shoulder to shoulder.

Brand Name:Best

Model Number:Drill Rod Adapter Subs

Place of Origin:China

... have different sizes or types of threads.These subs can be used to protect drill stem (rod) from consumption in the way of making the connector to bear most of torque force. Adaptor subs are made of high quality alloy steel. Connections can be made as per