safety valve downhole drilling tools online manufacture

Drill Stem Testing Hydraulic Circulating Valve 5" x 15000 psi The Hydraulic Circulating Valve is the part of drill stem testing string, it serves as a bypass around the packer or as a circulating valve to ... Read More

APR Tools Full Bore Retrievable Circulating Valve RTTS Tools for DST The Full Bore Retrievable Circulating Valve is the RTTS Circulating Valve in Halliburton type. The RTTS circulating valve is used in drill ... Read More

7" RTTS Circulating Valve Full Bore Retrievable Circulating Valve The RTTS Circulating Valve is a Full Bore Retrievable Circulating Valve in Halliburton type. The RTTS circulating valve is applied for drill ... Read More

DST Tools Dual Action Ball Valve For Oil Well Donwhole Testing The Dual Action Ball Valve is the part of DST tool string, the dual action ball valve is controlled by the annular Rupture disc,also called rupture ... Read More

Well Testing Tubing String Tester Valve 5" Cased Hole Drill Stem Test Tools Introudction of Tubing String Tester Valve The tubing string tester valve is short of TST valve as the part of Drill stem testing ... Read More

Hydraulic Jar For Oil & Gas Well Testing Service / Big John Jar The hydraulic jar is a safety tool used in well testing service, the hydraulic jar as the component of DST tool string is to help removing stuck ... Read More

Retrievable Bridge Plug 4-1/2 11.6-13.5# 10K For Oil Well Downhole Testing The Retrievable Bridge Plug (RBP) is a high-pressure packer style bridge plug used for multiple selective zone treating and testing ... Read More

High Pressure Hydraulic Jar For Drill Stem Testing Service Big John Jar The hydraulic jar is a safety tool of drill stem testing string, the hydraulic jar in Halliburton type is called Bigjohn Jar. The ... Read More

Full Bore Retrievable Packer & Retrievable Bridge Plug 5 1/2" x 10000psi WP * Full Bore Retrievable Packer Full Bore Retrievable Packer with mechanical setting is applied for drill stem testing service or well ... Read More

Internal Gauge Carrier For Data Acquisition in Oil Well Downhole Testing The gauge carriers is the part of the drill stem testing tools. There are two types of gauge carrier including internal gauge carrier and ... Read More