whipstock


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whipstock

(ˈwɪpˌstɒk)
n
(Arms & Armour (excluding Firearms)) a whip handle

whip•stock

(ˈʰwɪpˌstɒk, ˈwɪp-)

n.
the handle of a whip.
[1520–30]
Mentioned in ?
References in classic literature ?
Before emerging from it, the rattling of wheels approached behind us, and a stage-coach rumbled out of the mountain, with seats on top and trunks behind, and a smart driver, in a drab greatcoat, touching the wheel horses with the whipstock and reining in the leaders.
In California, Schlumberger sidetracking services successfully completed the first known three-casing whipstock exit in North America utilizing the Trackmaster whipstock and sidetracking system with a FasTrack one-trip mill to successfully mill through 7-in, 8 5/8-in and 13 3/8-in casings in a single run.
The new horizontal whipstock section will utilize the top hole section of the historical Cardiff wellbore, and will provide hundreds of meters of potential pay zone penetration versus the approximately 20 meters of vertical gas and condensate pay in the original well.
ORS is expected in mid-2012 to consolidate its cuttings management services, cathodic protection services, shutdown and turnaround services, whipstock services and its various joint venture services such as cementing and stimulation, painting and scaffolding, catering and life support for its current customers and focus on securing more wins locally with other Adnoc group operating companies, says a company spokesperson.
Due to complications with installing the whipstock over the past few days, a cement plug has been placed at a higher level in the vertical leg of the well.
Wells that require a cased-hole whipstock kickoff or a cement plug kickoff are assigned a weight of two points.
The EcoScope(+) multifunction logging-while-drilling service for well placement was used with Schlumberger PetroTechnical Services interpretation of data from SonicVISION* sonic-while-drilling tools to optimally place a Smith Trackmaster* whipstock system.
A whipstock was set and a window milled in the casing at approximately 2,865 feet.
In California, Schlumberger sidetracking services successfully completed the first known three-casing whipstock exit in North America utilizing the Trackmaster* whipstock and sidetracking system with a FasTrack* one-trip mill to successfully mill through 7-in, 8 5/8-in and 13 3/8-in casings in a single run.
The existing casing was removed and a cast iron bridge plug set near the bottom of the intermediate casing in preparation for the installation of the whipstock and sidetrack drilling.
Accordingly, a decision was made to set a whipstock at a depth of 8,315 feet and this has been successful in deviating the well and it has been subsequently drilled to a depth of 8,499 feet, The forward plan is to drill to a depth of 9,060 feet where a 7-inch casing string will be set, such that both the Permian and Pennsylvanian targets will be penetrated after setting the 7-inch casing on the way down to a total depth of approximately 11,000 feet.
Green Tide then plans, as previously announced, to contract a larger pulling unit to cut and remove the intermediate casing above 3,100 feet and to set the sidetrack whipstock.