deviation survey

deviation survey

[‚dēv·ē′ā·shən ′sər·vā]
(petroleum engineering)
Measurements made during a drilling operation to determine the angle from which the bit has deviated from the vertical.
References in periodicals archive ?
perform directional and deviation survey of pilot hole.
Tenders are invited for Digital Mulishot Borehole Deviation Survey Equipment Along With Processing Software For Plotting All Borehole Deviation Surveys And Laptop For Onsite Deta Acquisition And Grafical Representation Of Survey Shots -10 Sets
Tenders are invited for Digital mulishot borehole deviation survey equipmrnt along with processing software for plotting all borehole deviation surveys and laptop for onsite deta acquisition and grafical representation of survey shots 10 sets
Tenders are invited for Supply of Multi shot digital unit for capturing Compass-inclinometer images of Bore hole deviation survey system, with mechanical accessories.
Borehole washing data, water testing data, grouting data, borehole imaging results and borehole deviation surveys were used to assess the two drilling methods.