Product Customization Carbide Piston Mud Pump Crank Drive Pinion Shaft Assembly For Mud Pump
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- Supplier: Dongying Great Petroleum Equipment Co. Ltd.Dongying Ltd.
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Product Overview
Description
Product Description
Kelly valve also named Kelly cock or drill pipe safety valve. It is a hand control valve in drill string circulating system and it is one of the effective tools to prevent blowout. Kelly valve is divided into Upper Kelly Valve and Lower Kelly Valve. Upper Kelly Valve is connected between swivel sub and Kelly. Lower Kelly valve is connected between lower end of Kelly and top of drill pipe or lower end of Kelly save sub. Rotating the wrench of full opening safety valve 90° to realize on and off. In the drilling operation, in order to avoid malignant accidents, Kelly valves should be connected to both end of Kelly to prevent loss of drilling flid and blowout.
Kelly cock valve, which is a manually operated ball valve run in I.D of drill string, is one of effective tool for preventation from blowout.
The kelly cock is divided into upper kelly cock valve and lower kelly cock .
The upper kelly cock is connected between lower end of swivel and upper end of kelly. The lower kelly cock is connected between upper end of drill pipe and lower end of kelly or connected between lower end of kelly saver subs.
The kelly cock features a simple operation,the kelly cock can be opened on or closed off by only turning the special operationg spanner at 90 degrees according to indicating direction. During drilling operation the kelly cock shall be connected at upper end and lower end of kelly.
Kelly cock valve, which is a manually operated ball valve run in I.D of drill string, is one of effective tool for preventation from blowout.
The kelly cock is divided into upper kelly cock valve and lower kelly cock .
The upper kelly cock is connected between lower end of swivel and upper end of kelly. The lower kelly cock is connected between upper end of drill pipe and lower end of kelly or connected between lower end of kelly saver subs.
The kelly cock features a simple operation,the kelly cock can be opened on or closed off by only turning the special operationg spanner at 90 degrees according to indicating direction. During drilling operation the kelly cock shall be connected at upper end and lower end of kelly.
Specification
Model | OD mm (inch) | Conn. | ID mm (inch) | Working Pressure (MPa) |
XS86 | 86(3 3/8) | NC26 | 30(1 3/16) | 35, 70, 105 |
XS111 | 111(4-3/8) | NC31 | 40(1 37/64) | 35, 70, 105 |
XS121 | 121(4 3/4) | NC38 | 44.5(1 3/4) | 35, 70, 105 |
XS146 | 146(5 3/4) | 4-1/2REG LH | 44.5(1 3/4) | 35, 70, 105 |
XS168 | 168(6 5/8) | NC50 | 71.4(2 13/16) | 35, 70, 105 |
XS178 | 178(7) | 5-1/2FH | 71.4(2 13/16) | 71.4(2 13/16) |
XS197 | 197(7 3/4) | 6-5/8REG LH | 76.2(3) | 35, 70, 105 |
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Company Profile
Dongying Great Petroleum Equipment CO., Ltd is well known as a supplier of drilling equipments and parts for oil and gas industries. Our goal is to provide the best products and services to our customers all over the world. Our company is in Dongying City, where the Shengli Oilfield located in ."quality first, science and technology innovated, people oriented" is Dongying Great's Corporate Mission Statement. Our products are according to certification of API, ISO, GOST, etc. Through many years of efforts of Dongying Great's staff, our products have already been exported to the many countries all over the world, such as USA, South America, Africa, Middle East, Russia and some other countries and regions. With super quality, reasonable price and professional service, Dongying Great has become assigned supplier and built strategic partnership with some countries' national petroleum companies. We hope we can be one of the most professional oilfield equipment suppliers .
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Dongying Great has excellent experience in selling and serves for the oilfield and gas industries for 6 years. Good Service and Best Quality are the culture of our company. We sincerely welcome customers and friends domestic and abroad come to create a prosperous business future with us forever .
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