04479nas a2200457 a 4500 20260817173421.0 140127s2012 th r 000 eng d .b12125866 AIT Thesis no.OTM-12-07 Chalatchawan Surapongshandej Comparision of in-situ and conventional gas lift for commingled reservoirs in Pattani Basin Pathum Thani, Thailand : Asian Institute of Technology, 2012 1 online resource (80 leaves) : ill. Thesis ; no. OTM-12-07 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Offshore Technology and Management, School of Engineering and Technology Thesis (M. Eng.) - Asian Institute of Technology, 2012 There are many methods to help lift oil to the surface. For instance, gas lift method. This approach is widely used to gain more oil recovery than let the oil flow by itself. In this study, gas lift methods, both conventional gas lift and in-situ gas lift, are studied in the deep detail to determine an appropriate way to improve oil recovery. By simulation oil reservoirs in commingled production through using conventional gas lift as a base case and in-situ gas lift cases in several conditions. There are several conditions for in-situ gas lift cases because improvement of oil recovery by using in-situ gas lift method needs to find the suitable gas reservoir for good results of oil recovery. The parameters that effect amount of gas and gas flow rate need to be concerned such as permeability (k), perforation interval (hp), depth and thickness of gas reservoirs (h). The results from ECLIPSE simulation show that both conventional gas lift and in-situ gas lift can help improve oil recovery quite well. For the variable outcome (permeability, perforation interval, depth and thickness of gas reservoir), the factor that directly takes effect to amount of gas in gas reservoir is thickness and the other studied factors directly affect the gas flow rate. Although gas help lift up the oil, amount of gas and gas rate must not have or flow too high because the excess gas will flow very quicklyup to the surface. Hence, there is not enough time to allow gas blend with oil then oil cannot flow smoothness. By the way, the oil recovery factor comparisons of conventional gas lift case and in-situ gas lift cases demonstrate that the conventional gas lift can improve oil recovery factor better than in-situ gas lift cases. Nevertheless, the conventional gas lift case spends more cost than in-situ gas lift cases. In addition, some it-situ gas lift cases obtain oil recovery production closely the conventional gas lift. Gas lift pumps Thailand Pattani Basin Gas reservoirs Thailand Pattani Basin Chiu, Gregory L.F., Chairperson Suwat Athichanagorn, Co-Chairperson Jirawat Chewaroungroaj, Co-Chairperson RTG Fellowship, Scholarship Donor Asian Institute of Technology. Thesis ; no. OTM-12-07 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B03626 .b12125866 mnait s 250417 0 140127 m a s 0 000:001:PDF:b1212586:001165:0:0:0:0:0:0 Abstract--AIT Thesis no.OTM-12-07 n mnait mnait mnarc mnarc 20 40 Barcode : 30050120685572 CREATED : 2014-01-27 RECORD # : i12753919 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120685564 CREATED : 2014-01-27 RECORD # : i12753920 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050160005970 CREATED : 2016-03-23 RECORD # : i12906876 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050211014484 CREATED : 2021-12-16 RECORD # : i13357013 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 19843 19843 0 0 0 0 MAIN MAIN mnait 2026-08-17 50.00 0 AIT Thesis no.OTM-12-07 30050120685572 2026-08-17 17:34:21 1 2026-08-17 20 0 0 0 0 MAIN MAIN mnait 2026-08-17 50.00 0 AIT Thesis no.OTM-12-07 30050120685564 2026-08-17 17:34:21 2 2026-08-17 20 0 0 0 0 MAIN MAIN mnarc 2026-08-17 0 AIT Thesis no.OTM-12-07 30050160005970 2026-08-17 17:34:21 1 2026-08-17 40 0 0 0 0 MAIN MAIN mnarc 2026-08-17 50.00 0 AIT Thesis no.OTM-12-07 30050211014484 2026-08-17 17:34:21 3 2026-08-17 20