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Keywords: oilfield
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215307-MS
... Abstract The offshore oilfields in China have entered the mature stage with high water cut and recovery rate. Oilfield Q has an oil viscosity of only 5 cp, with a water cut of 95% and a recovery rate of more than 40%. It is challenging to maintain sustainable oil production with only...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215373-MS
... be realized by modulating downhole data into lifting load pulse and demodulating of load pulse by the GCC. The principle and transmission characteristics of the technology have been tested in Jilin Oilfield. The results show that the opening or closing of the adjusting valve of the DLPG generate controllable...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205740-MS
... distribution becomes complicated and chaotic. It is very difficult to handle and identify so much logging data by hand since the oilfield has the characteristics of high-density well pattern and contains rich logging information with more than 2000 wells. The wave clustering method is used to divide...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202349-MS
... management upstream oil & gas production monitoring waterflooding electric control valve smart zonal water injection communication pressure wave smart water distributor zonal water injection production control reservoir surveillance oilfield water distributor wellhead control valve...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196467-MS
... polymer flooding could be divided into 3 stages shown in Figure 2 . From September 2003 to May 2005 (stage 1), the first single well polymer flooding pilot (1 injector and 4 producers) in Block-X Oilfield was conducted using the first generation of industrialized associative polymer (AP-P4) to verify...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196546-MS
... oilfield connectivity cumulative liquid production production rate Artificial Intelligence formula application heavy oil reservoir machine learning waterflooding dynamic connectivity production well quantify interwell connectivity water injection Interwell Connectivity pressure gradient...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192048-MS
... As the most common process for the secondary development of oilfields, waterflooding plays a significant role in maintaining reservoir pressure, enhancing oil recovery, and achieving high and stable oil production ( Capolei, Suwartadi et al. 2013 ). The oilfield waterflooding system mainly...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192067-MS
...Introduction Abstract In China, the initial development program was "early zonal water injection" for the reservoirs with insufficient natural drives and low formation-saturation pressure differential. At present, the oilfields have successively been progressing into the late development...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192016-MS
... 0.4 to 1 °, while the dip angle in the vertical source direction is about 0.4 to 1 °. Table 1 Statistics of interlayer dip angle in mouth bar in|oil group of S oilfield Well name L 2 /m (h 2 -h 3 )/m Dip angle/° direction B12 B13 350 3 0.5° parallel to resource...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186188-MS
... Abstract Over-developed oilfields in East China have gone through suffering situations induced by high cost in recent years. The trend of resource deterioration is irreversible and the deterioration leads to the increasing difficulties in oil and gas exploration and development. The rate...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186258-MS
... light on this hypotesis. In particular, three production fields, located near the epicenters of the seismic sequence, were closely examined: 1) a geothermal field; 2) an underground natural gas storage field; 3) a mature oilfield with reinjection. According to the conclusions of the above International...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186242-MS
... or other downhole isolation tool was identified in the Changqing oilfield in China. The objective was to prove the concept of using a gelled annular isolation technology for re-fracturing in this oilfield for applicability in the Asia Pacific region. Two candidate wells were selected for re-fracturing...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186978-MS
... in Bohai Oilfield and good development performance of the pilot area has been acquired by using thermal recovery technology. In recent years, a series of researches and field pilots have been conducted and great progress has been achieved on several aspects. For HSE, a high-temperature safety control...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182333-MS
... oil recovery should be enhanced to make sufficient technological reserve and accumulate technological strength. Only when breakthrough is made in respect of major strategic alternative technologies, could a bright future for the development of oilfields be opened up, and could the development...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182418-MS
... wells and faster production decline. So combination of IOR and EOR technology (shortly as "CIET") was proposed to promote economic development and further improve oil recovery. This paper focuses on mid-high-permeability multi-faults reservoirs of Dagang Oilfield in China. The fundamental way of CIET...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182431-MS
... of the low permeability natural core from A oilfield were carried out, and the changes of core permeability, pore structure and oil displacement efficiency in advanced water injection were analyzed. Meanwhile, the changes of sweep efficiency and recovery in advanced water injection were figured out...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182311-MS
... Abstract In the Bohai Oilfield in China, the water injectors with sand control completion are characterized by multiple layers (2-6 layers), high single-layer injection rate (300-700 m3/d) and large borehole deviation (30-60°). The conventional wire fishing and the high-efficiency measuring...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176369-MS
... drilling fluid property oilfield particle cationic water-based drilling fluid high temperature agent Inhibition clay particle cationic drilling fluid system stability cationic treatment agent drilling fluid system drilling fluid chemistry drilling fluids and materials concentration zeta...

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