drill-stem test

drill-stem test

[′dril ′stem ‚test]
(petroleum engineering)
Bottom-hole pressure information obtained and used to determine formation productivity.
References in periodicals archive ?
The company has taken this step because of potential future oil production at the well, following a drill-stem test, which achieved a potentially commercial stabilised flow rate of 447 barrels of oil per day, of 34 deg API oil from the Triassic aged Butmah Formation reservoir.
Additional information will be released after completion of the drill-stem test.
OGX") (Bovespa: OGXP3; OTC: OGXPY), the Brazilian oil and gas company responsible for the largest private-sector exploratory campaign in Brazil, today announced that it has concluded the drill-stem test performed in the Santonian section of well 1-OGX-11D-SPS, in the BM-S-59 block within the shallow waters of the Santos Basin.
The company's production officer, Reinaldo Belotti, said 'With all necessary equipment already procured from renowned suppliers, the drilling of the first production well and related drill-stem test both completed, we are on track and poised to reach a very important milestone for OGX with the initiation of production in the third quarter of 2011.
PK), the Brazilian oil and gas company responsible for the largest private-sector exploratory campaign in Brazil, announced today that it has concluded the drill-stem test performed in the Santonian section of well 1-OGX-47-RJS, in the BM-S-59 block, in the shallow waters of the Santos Basin.
Drill-stem Test in Horizontal Well Confirms Potential Oil Flow of 40,000 Barrels per Day -
The wireline technology enhances the understanding of the rock and fluid properties of the formation and enables the company to make informed decisions and minimize drill-stem test risks.
The testing will utilize both tubing-conveyed perforating and a drill-stem test assembly to reliably establish the gas production capacity of the well.
A drill-stem test has returned a stabilized gross flow rate of 2,324 barrels of oil per day (BOPD) through a 35/64 inch choke with a watercut of 0.
The presence of a thick oil column was confirmed through the collection of extensive formation pressure data, 11 fluid samples and one drill-stem test (DST).
The second drill-stem test produced at a rate of 505 bopd of 17-degree API oil with a GOR of 112 scf/bbl.
The second drill-stem test produced at a rate of 190 bopd of 18-degree API oil with a GOR of 190 scf/bbl.