Sentence examples for stem tests from inspiring English sources
Pressure measurements in drill stem tests and estimates from sonic logs yield overpressures among different reservoirs and mudstone beds.
The Iatroscan technique reveals that core extracts from petroleum reservoirs are enriched in bulk NSO composition compared to the producible mobile phases recovered during drill stem tests.
Five Drill Stem tests have been done in this field, four of which tested gas and one tested unexpected oil in lowermost part of Upper Permian Strata.
As well as the 3D seismic data set, the principal data sources used were a dipole sonic log for compressional wave velocity (Vp) and shear wave velocity (Vs); checkshots for time-to depth (T D) conversion; a density log; log interpretations of porosity; fluid properties based on pressure volume temperature (PVT) analysis of fluids from drill stem tests (DSTs) and pressure/temperature data.
The most reliable detection technique is, however, the direct pressure-measuring tests which include kicks, formation interval tests (FIT), repeat formation tests (RFT), drill stem tests (DST), and production tests.
In well 'C2' which is located on the crest, the total thickness of the target formation was drilled, and in addition to running 'MDT,' a series of full-bore drill stem tests (FBDSTs) have been performed in this well.
The production test normally employed is the drill stem test, in which a testing tool is attached to the bottom of the drill pipe and is lowered to a point opposite the formation to be tested.
The proposed techniques and procedures are applied in field logs and the estimated information and parameters are well verified by core and drill stem testing data.
A month after saying that the TGD appraisal well had found hydrocarbons the well is to be plugged and abandoned after a failed drill stem test which failed to recover commercial rates of oil.
Drilling may be stopped for logging and testing (see below Well logging and drill stem testing), and it also may be stopped to insert casing and cement it to the outer circumference of the borehole.
