A BLOCK Il-l LOCK IA A 15/17-7 P2815/17-4P1 15/12 6500 MAASTRICH TIA ORIGIHAL O.w. C.-+200 M DDIt 9500 鼎L5CALE ZECHSTEIN TRIASSIC Figure 4. Structural cross section running southwest- northeasterly fault block rotation and the structural northeast through Piper field, demonstrating the configuration. See Figure 3 for location GR. API LLD GR, AP LLD, am KIMMERIDGE CLAY KIMMERIDGE CLAY 、~°。NE76 50F7 M-AsECAJH (gor f PENTLAND Figure 5.(A) and (B)show type logs for wells 15/17- of the Piper field, respectively. (See Figure 3 for well and 15/17-P1 4 for the western and eastern areas locations. been practiced in order to balance the natural influx recovery to an accepted figure of 952 MMBO and injected water with offtake from each layer Production exceeded 800 MMBO on 25 October 1987 within the reservoir. The combination of these and the field was still producing at a rate of 120,000 management techniques is expected to lead to a boPd at the time of the disaster on 6 July Initial ultimate recovery for the Piper field was platform in mid-les uled to resume from a recovery factor of approximately 70% Production is schedt put at 618 MMBO, but subsequent reservoir The discovery of Piper encouraged further drilling formance confirmed this to be conservative. There activity in the Outer Moray Firth area leading to has been a steady increase in the estimated ultimate the discovery of the Claymore, Tartan, Scott-9500 - - TRIASSIC 10500 - Figure 4. Structural cross section running southwest￾northeast through Piper field, demonstrating the GR, API LLD , nrn 0 100 0.2 1 10 100 I000 2000 /I I KIMMERIDGE CLAY Figure 5. (A) and (B) show type logs for wells 15117- P2 and 1511 7-PI 4 for the western and eastern areas been practiced in order to balance the natural influx and injected water with offtake from each layer within the reservoir. The combination of these management techniques is expected to lead to a recovery factor of approximately 70%. Initial ultimate recovery for the Piper field was put at 618 MMBO, but subsequent reservoir performance confirmed this to be conservative. There has been a steady increase in the estimated ultimate - -9500 HORIZONTAL SCALE - 1 Km 0 1 M!Ie VERTICAL EXAG i 5 - -10500 northeasterly fault block rotation and the structural configuration. See Figure 3 for location. GR, API LLD , nm 0 100 0.2 1 10 100 1000 2000 KIMMERIDGE CLAY TOP PIPER SANDSTONE (- 77667 - I - of the Piper field, respectively. (See Figure 3 for well locations.) recovery to an accepted figure of 952 MMBO. Production exceeded 800 MMBO on 25 October 1987, and the field was still producing at a rate of 120,000 BOPD at the time of the disaster on 6 July 1988. Production is scheduled to resume from a new platform in mid-1992. The discovery of Piper encouraged further drilling activity in the Outer Moray Firth area leading to the discovery of the Claymore, Tartan, Scott