whipstock


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whipstock

[′wip‚stäk]
(petroleum engineering)
A long wedge dropped or placed in a petroleum well in order to deflect the drill from some obstruction.
References in periodicals archive ?
However in 2008 the division moved from basic trading activity to introduce whipstock and fishing services.
(whipstock) that deflected the drill toward the desired target, but
Wells that require a cased-hole whipstock kickoff or a cement plug kickoff are assigned a weight of two points.
Also, four Whipstock hole-survey programs saved about A$30,000 per hole.
(Houston) begin the curved, or build, section of horizontal medium-range wells by inserting a whipstock into an old vertical well-bore.
After landing at the required depth, the team set the Inflatable Production Packer (IPP) to anchor the whipstock and drilled off the formation in a single trip, saving the operator 29 hours of rig time and more than $100,000 of operational expense.
Tenders are invited for Hiring of services of whipstock setting and window milling equipment along with manpower including supply of whipstocks for whipstock setting and window milling in existing old wells located in the states of assam and arunachal pradesh for a period of 3 (three) years, to facilitate side tracking and drilling of replacement wells
Complications with kicking off from the cement plug which was installed at the kick-off point of the vertical leg have prompted the operator to set in place a more permanent device (a whipstock) to guide the directional motor into the formation and begin the horizontal leg.
Since the last update, Strike has successfully placed a bridge plug in the original well bore, set the whipstock and milled a 3.9m window at 2,094m in the intermediate casing.
The side track will involve setting a whipstock above the Vu Upper coal, using equipment already available on site.