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XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]
Business Type:Manufacturer, Distributor/Wholesaler, Service City: Xi'an Province/State: Shaanxi Country/Region: China (Mainland) Follow Us:
TOP-DST
Size i.e. 3 7/8", 5" or casing size from 4 1/2" to 20"(Casing range may also need to be known)Working pressure: 70Mpa(10000psi), 105Mpa(15000psi).
2013-10-31
TOP-DST-01
The full bore retrievable packer is a full opening, hookwall type packer, which is used for the oil well drill stem testing
2013-10-23
TOP-DST-02
OMNI valve, used for the DST,is a full opening,annulus pressure-operated re-closable circulating valve which can be open and closed many times
2013-10-19
RD circulating valve
Rupture disk (RD) safety circulating valve functions as both a safety valve and circulating valve,which is used for the drill stem testing operation.
2017-02-28
TOP-DST-04
The RTTS Circulating valve is a locked-open/locked-closed valve that serves as both a circulating valve and bypass.
7" RTTS Safety joint
The RTTS safety joint is the Full bore safety joint, an optional emergency backoff device,which is used for the drill stem testing in cased hole.
2017-01-06
TOP-DST-06
The RTTS Packer is a full opening, hookwall type packer which can segregate bidirectional pressure designed for use in testing,treating,and squeezing
TOP-DST-07
The round mandrel slip joint is the part of the drill stem testing work string.
5" Drain valve
5" X 15000 PSI Sleeve type drain valve is used to drain the volume fluid and release pressure when string testing finished, applied in DST operation.
2017-03-09
TOP-DST-09
The hydraulic jar(Bigjohn Jar) is a safety tool, used for the drill stem testing
TOP-DST-10
The tubing string testing (TST) valve is a full-opening valve used to pressure-test the workstring while running in the hole.
TOP-DST-11
The select tester valve is a full opening, annulus pressure operated tool used in cased holes for the drill stem testing as the tester vale
TOP-DST-12
The rupture disk sampler / RD sampler is a full-open, full bore sleeve sampler, with WP 15000 psi, and used in cased holes for the drill stem testing
2017-12-07
Shock Absorber -7" Casing
Radial shock absorber protect pressure-measuring equipment or sensitive components in the workstring for shock loads, which is used for DST operation.
DST CHAMP Packer
The CHAMP Packer is improved from RTTS Packer. Compared with RTTS Packer,the CHAMP IV Packer has a concentric bypass for high pressure DST operation.
2017-01-17
TOP-DST-15
The MFE consists of three basic sections: indexing, delay, and sampling. Each of these sections will be described in detail below.
2015-04-14