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Boban designs and provides Drill stem testing tools(MFE, APR) for cased hole, open hole and slim hole, mainly including full bore retrievable packer, retrievable circulating valve, retrievable safety joint, TST valve, LPR-N Valve, OMNI valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve....
The Rupture Disk (RD) sampler is a full-open, full bore sleeve sampler for use on drill stem tests. The sampler is controlled by a rupture disk that is operated by annulus pressure, used for trapping formation fluid under pressure in the downhole.O.D.127.5mmBore Diameter57mmLength2198mmWorking press...
Downhole Drill Stem Testing Tools Super Safety Valve is a Fail-Safe Safety Valve for testing from land or jack-up rig. It is normally run inside or below the Blow Out Preventer (BOP) and is used to control well flow.It's a master valve for testing from land or jack-up rig. It is normally run ins...
Tubing string testing (TST) valve is a full-opening valve used to pressure-test the work string while running in the hole. The valve is operated after it is stung into a permanent packer or a retrievable packer is set.O.D./inWorking PressureWorking EnvironmentWorking TemperatureConnection5"10K...
IPO(Internal Pressure operated) circulating valve allows circulation through the work string before trip-out and serves as a drain during trip-out. It can be run in cased holes or open holes and maintains a full bore through the tool.O.D./inWorking PressureWorking EnvironmentWorking TemperatureConne...
CHAMP Packer/15K Retrievable Packer is improved from RTTS Packer. Compared with RTTS Packer, the CHAMP Packer has a concentric bypass. The CHAMP Packer has the capability of circulating below the packer and other parts have the same function as RTTS Packer. While going in the hole, the bypass is hel...
RTTS Packer,10K Retrievable Packer is a full opening, hook walltype packer usedfortesting, treating, and squeeze cementing operations. The full opening permits pumping large volumes of fluid with a minimum pressure drop, and allows the passage of a through tubing type perfora...
RTTS safety joint is an optional emergency backoff device. The safety joint releases the workstring and tools above the packer if the packer becomes stuck during operations.To initiate the release of the safety joint, a tension sleeve must be parted by pulling on the workstring. For complete release...