dst drill stem test online manufacture

Full Bore Retrievable Circulating Valve Drill Stem Testing Bypass Valve The RTTS circulating valve is a locked-open/locked-closed valve that serves as both a circulating valve and bypass for the drill stem ... Read More

Downhole Tester Valve Working Pressure 15000 Psi For Well Testing Service The downhole tester Valve is used for drill stem testing service. There are two types of downhole tester valve we supplied including ... Read More

Drill Stem Testing Tools APR Downhole Tester Valve Select Tester Valve Structure of Downhole Tester Valve The select tester valve is composed of four basic sections; ball valve section, upper hydraulic section, ... Read More

Well Testing Sleeve Type Drain Valve Drill Stem Testing Tools 15000 PSI Introudction of Sleeve type Drain Valve The Drain Valve is a kind of DST tools used in well downhole testing service. The sleeve type ... Read More

Drill Stem Testing(DST) Tools 5"OD x 15000 PSI, 400F, 3 1/2" IF or 3 7/8" CAS Introudction The PT-RD Safety valve is a pump through Rupture disk controlled safety valve, a single cycle safety valve for end of ... Read More

Drill Stem Testing Select Tester Valve Lock Open Tester Valve Well Testing Service Brief of Lock Open Tester Valve The Lock Open Tester Valve is the kind of full bore tester valve, which is an annulus pressure ... Read More

Cased Hole Big John Jar For Drill Stem Testing High Pressure Hydraulic Jar The Big John Jar is a kind of hydraulic jar which is Halliburton type. The Big John Jar is used as a safety tool in the well downhole ... Read More

Drill Stem Testing Select Tester Valve 15000 psi High Pressure Full H2S Service Brief of Select Tester Valve The select tester valve is the full bore tester valve with lock open mode. The Tester Valve used for ... Read More

Drill Stem Testing Multicycle Omni Circulating Valve 5" 15000 PSI APR Tools Introduction of DST OMNI Valve Multicycle circulating valve is a full opening, annulus pressure-operated re-closable circulating valve ... Read More

5 Inch Drill Stem Test Tools Tubing String Testing Valve 15000 PSI Antirust Introudction of Tubing String Testing Valve The tubing string testing valve - TST valve is designed in full-opening and operated by ... Read More