A wireline valve, also know as a slickline BOP, is a manual or hydraulic device containing a valve that closes around the wireline to shut in the well if pressure threatens a blowout. A wireline valve must be used in all slickline operations. Manual rams are most common.

Prior to use, wireline valves should be cycled (opened and closed) to ensure all parts are functioning properly. Each side must be closed or opened with the same number of turns to complete a centered seal. Number of turns should be recorded on the Pressure Control Equipment Inspection. Stump testing, or an onsite leak test, is essential on sour service wells. To stump test ...

• pressure-up below,

• ensure there is a seal, and

• ensure the equalizing ports are operating properly.

About JC Wellhead

Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, we are specialized in design and manufacturing of the oilfield wellhead equipment. We - YCJC are a registered supplier for CNPC, GWDC, CCDC in China.

With profession engineers we also offer the R&D service to the clients who have special requirements in the oilfield drilling operation and production operation.Yancheng Jing Cheng Petroleum Machinery Manufacturing Co,Ltd is engaged in manufacture and supply wellhead equipment include wellhead -Tree, casing head, casing hanger, tubing head, tubing hanger, casing spool, tubing spool, Gate valve, Adjustable Choke valve, Positive Choke Valve, Check valve,VR plug,Running tool, Wear bushing, spacer spool, riser spool adapter, union flange adapter, flange adapter, union flange, Hammer union, Elbow, swivel joint, block cross, Block Tee, companion flange, instrument flange, weldneck flange, FC gate, FC seat, FC stem, API Clamp, API Clamp Hub and various high pressure manifold such as choke manifold, kill manifold, drilling floor manifold, surface testing manifold etc

Welcome to contact us for any inquiry or requirement!