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Keywords: oil recovery
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Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202206-MS
...-situ residual oil saturation change slug injection flowback residual oil saturation slug size salinity saturation formulation injection oil recovery reduction of residual oil saturation reservoir upstream oil & gas saturation change oil saturation sea water swctt profile improved...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202259-MS
... Abstract CO 2 injection has proven to be a promising technology in enhancing oil recovery in low-permeablility carbonate reservoirs, especially in miscible flooding. How to demonstrate near-miscible/miscible mechanisms and their influence on production performance is a difficult issue to deal...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202374-MS
... and Storage (CCUS) approaches where the operation cost can be offset by enhancing oil recovery and utilising the existing facilities. However, a geological formation with large volumetric capacity (pore volume) is not necessarily an appropriate candidate for CO 2 storage and CO 2 injectivity plays...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196400-MS
...-injection in accelerating the oil recovery at reduced steam-oil ratio compared to steam alone injection. The objective of this work was to evaluate the effectiveness of different single-component and multi-component additives for improving the SAGD performance. Among the various process variables, the...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196463-MS
... by pushing the remaining oil to the producing wells. All these would increase the oil recovery allowing the reservoir recovery factor to reach at least ‘on par’ with those of water drive reservoirs. Figure 4 Comparison between Pre and Post re-interpretation structure map. Based on the...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196495-MS
... Abstract Umiat field, located in Alaska North Slope (ANS) poses unique development challenges because of its remote location and permafrost within the reservoir. This hinders the field development, and further leads to a potential low expected oil recovery. The objective of this work is to...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196476-MS
... Abstract Miscible CO 2 flooding is a proven field development technology, which has been widely applied to many fields to enhance the oil recovery. It can efficiently expand oil volume, reduce oil viscosity and eliminate oil-gas interfacial tension. In this paper, a case study is detailed on...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196498-MS
... valuable insight into the case study of maximizing oil recovery through dump-flooding in an offshore environment. The lessons learned serve as a guideline for this simple and low-cost approach, which is highly recommended for maximizing oil recovery in a mature field, especially in today's low margin...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196497-MS
... local pH rise have several field wide consequences: (1) The carbonate mineral dissolution and the resulting local pH increase can occur field wide. (2) Mineral dissolution not only releases oil attached to the mineral surfaces but also creates more fresh water-wet rock surfaces and improves oil recovery...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196508-MS
... the permeability and stimulating the flow of oil and gas towards the well. In order to comprehend the application of ultrasound waves, it is necessary to understand the basics of the phenomena. Historically, the first studies of oil recovery date back to the end of the 40s and beginning of the...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196548-MS
... development of unconventional hydrocarbon resources has boosted the oil output in North America by 31.0%, setting off a global boom in the exploitation of tight oil and gas ( Zou et al., 2014 ). However, the oil recovery in tight formations is less than 10% using current techniques such as horizontal wells...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196536-MS
... MEOR nutrient injection has been conducted in two selected wells in Bentayan Field, South Sumatera, BN-38, and BN-81. The project objective is to evaluate and analyze the effect of nutrient injection towards oil recovery, changes of indigenous microbes that alter oil characteristics from the two...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196317-MS
... Acidizing, nanoparticles technology and EK are established technologies in the oil industry, that demonstrated great potential in improving the oil recovery. Recent publications have shown that combining electrokinetics with nanotechnology and acidizing have an even more promising potential in...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196362-MS
... ). This, however, could not be the case in many thermal practices, of which are applied at the secondary (before waterflooding) stage ( Fuaadi et al. 1991 ) or even as a primary method like SAGD ( Al-Bahlani and Babadagli 2009 ). Regardless of the application stage, all heavy-extra heavy-oil recovery...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196293-MS
... Abstract A major Malaysian matured offshore oilfield which is currently under waterflooding has been seen declining in production in recent years. Among various enhanced oil recovery (EOR) techniques evaluated, this field appears to be amenable to chemical EOR implementation. Chemical EOR...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196407-MS
... Abstract This contribution focuses on recovery of oil by using a newly hybrid Enhanced Oil Recovery (EOR) method, which combines smart water (i.e. ionically modified brine) and foam flooding of light oil with dissolved carbon dioxide at high pressure in carbonate reservoirs. Ionically...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192015-MS
... with different mineralogy was compared, and the effect of pH on oil recovery was confirmed in an oil recovery test. The results of the pH-screening tests by LS brine injection showed a potential for increasing the effluent LS water pH up to 2 units in comparison to its initial pH-value. The oil...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192038-MS
... Abstract The main problem during field scale implantation of low salinity water injection (LSWI) is the decline in injectivity versus time. Moreover, the actual mechanisms that result in incremental oil recovery are not completely known. In previous studies, the geomechanical effects have...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192070-MS
... during LSW. Berea C shows similar results as sample Berea B. Drainage 1 and 2 have pressure stabilizes at ~9 psi, where S wi is 0.23 and 0.22 for both displacements respectively. K rowi is 0.27 and 0.30. HSW and LSW after drainage 1 and 2, respectively, show no change in oil recovery but a...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192023-MS
... evaluate the effectiveness of CO2–GAGD process under different periodic gas injection pressure levels. Design of Experiments and proxy modeling were adopted to obtain the optimal future oil recovery through changing the pressure in an annual basis. Various what–if–scenarios (simulation runs) were created...

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