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C.t'1Sf ►esnr 103 SUENIT IN DUPLICATE l; 01Vi DF OI A L C rtA"Carew Larennkw NT OF DIVISION YeOF�AOIL NATURAL GAS w00t1�,< 6 7T- z 01 z q History of Oil or Gas Well ;,_�,CAu:oF':;a pPFjLATOR_Great Basins Petroleum Co PmLD Vernalis Gas Field --1 WQNa T.L.&W /126-9 , -qM 9 �CTT. 333SSJ R,6E M.D. Date August 12. , 1985 Sieved 1801 Avenue of the Stars, Ste 1011 arl_ 1 es W• Hatten i.na AnEalac CA 90067 (213) 879-0666 Tide President (A4d.) (T-61" .Nr ) (r.tdLer.S.rater w Apr) It is of the srt:annt impoetaate in haee a""'Flee'hiamA of rhe well-Ur this form m report a full aetount of all important operations during the drilling and tasting of the well or during mdrilling. alteigg of caning, plugging, or abandonment with the data thereof. Be tore to include such nama v hole 12M formavov tet details, arnamts of<rrent used, top :red botmm of pluga, perforation daunt, tideuached junk, bailing rets, theoung and in nai prodectien data. Data 8-9-82 Moved in Jack Owens Rig 115, rigged up & filled hole with lease water. Hole taking fluid. Removed Xmas Tree, installed 6" Series 900 Dbl. Ram and Hydril HOPE. Unland tbg and remove tbg donut. Rig up &,circ out sand. Hole taking fluid. Circ. & clean up hole. Pulled out of hole. Rigged up Cogco Wireline Truck, ran in and set bridge plug at394W1 . Checked measurements with collar locator. OK. Pulled out & rigged down Cogco. Ran in hole with 2-3/8" 4. 711 J-55 tbg, hung tbg at 3798' KB. Removed BOPE and installed Xmas tree. Rig up and swab fluid to 3200' . Shut down at 3:00 AM. 8-10-82 Crew on location 6:45 AM. Cogco arrived 7:00 AM. RU Cogco, ran in and ran Nuclear Log from 3940-3794' . Tagged bridge plug at 3940' , checked collars at 3912, 3874' , & 3838' . Pulled out & laid down Nuclear Log and collar locator. RU steel carrier perforating gun 1-9/16" OD. Ran in & perfd 01" csg from 3925-3918' with 4 holes/ft. All measurements checked OK. (First gun did not fire.) Used 3000 psi lubricater & grease gun. No immediate pressure response. Pulled out & laid down Cogco. Pressure commenced building up slowly. Released Jack Owens Rig 12:00 noon. At 3:00 PM csg pressure 1000 psi. Opened well & flowed water & gas for 1 hr. SI for night. 8-I1-82 At 7:00 AM SITP 1460 psi, SICP 1500 psi. Turned well into production unit. Control regulator would not hold. Shut in well. Replaced regulator. 10:30 AM put well on production at 120 MCF rate. 8-12-82 At 9:30 AM: Flowing 156 MCF/D rate. FTP = 1275 psi, FCP = 1300 psi. 8-13-82 At 9:00 AM: Flowing 185 MCF/D rate. FTP = 1400 psi, FCP = 1410 psi. Vernalis Field went on PG&E. Deliverability test 9:00 AM 8/13/82.