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Keywords: reservoir
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Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-552102-MS
... Abstract Water coning constrains the effective development of fault-block reservoirs by horizontal wells. CO 2 huff and puff from field cases prove to be effective in water control and oil stimulation. However, gas sweeping efficiency varies due to geological complexity and unclear oil-water...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-552103-MS
... Abstract Problems like small sweeping volume, short stimulating period and poor producing performance challenge the effectiveness of single horizontal well CO 2 huff ‘n’ puff in the fault-block reservoirs with edge water. The effect of CO 2 volume on multiple horizontal wells CO 2 huff ‘n...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-552268-MS
... Abstract The matrix permeability of the tight sandstone reservoir is very low, which causes difficulty to inject water, the CO 2 flooding is applied widely to these reservoirs for the better oil displacement and low injection pressure, but natural fractures develop as well as artificial...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-552521-MS
... Introduction Since shallow-buried oil reservoirs of Nanpu Block, Jidong Oil Field, China belong to complex fault-block oil reservoirs, effective flooding networks are difficult to be established compared with other conventional oil reservoirs. Although horizontal wells are widely used...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-552947-MS
... Abstract The cushion gas is indispensable to maintain the reservoir pressure, prevent the water intrusion and ensure the stability of underground gas storage (UGS). Considering the good thermodynamic properties, economic benefit and carbon storage, CO 2 is the ideal option for the cushion gas...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-553659-MS
... and composition optimization of injection gas. In this paper, taken an offshore oilfield of China as an example, based on compositional grouping, PVT test and slim tube test, phase behavior of oil and gas system during impure CO 2 flooding was studied by PVT Sim 20. Results show that under reservoir conditions...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558164-MS
... Abstract The behavior of confined fluids in shale reservoirs is significantly different from that of bulk fluids due to the confinement of nanopores. The unique physicochemical properties of confined fluids invalidate the current available equations of state (EOS) used in such reservoirs...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558486-MS
... Abstract Carbon dioxide (CO 2 ) has been proven to be an extremely successful enhanced oil recovery method to increase oil recovery from hydrocarbon reservoirs. It has also been proposed as a novel production method for unconventional shale reservoirs with nano pores as well. One of the main...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558535-MS
... ABSTRACT Tight gas reservoirs always have low natural gas recovery due to poor physical properties. However, there is still no effective means to enhance gas recovery (EGR) in tight gas reservoir. In this paper, experimental approaches were carried out to study the Supercritical CO 2 (SCCO 2...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558560-MS
... analysis scale remediation hydrate remediation asphaltene deposition upstream oil & gas enhanced recovery reservoir crude oil thermodynamic condition asphaltene molecular weight scale inhibition wax inhibition production chemistry Roadmap to Asphaltene Characteristics, Properties...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558561-MS
... Abstract Carbon dioxide (CO 2 ) injection has recently been applied in unconventional shale reservoirs to increase oil recovery. There are many methods by which CO 2 can be injected. One of the most common methods, especially in unconventional reservoirs, is cyclic CO 2 injection...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558862-MS
... on production performance. Experimentally, based on the geological characteristics and development conditions of the target carbonate reservoir, a laboratory physical model was established to study the migration characteristics and occurrence state of the injected gas and water. The effect of different...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-558864-MS
... Abstract The objective of this study was to investigate gas channeling behavior and its governing factors during water-alternating-gas (WAG) flooding in high-temperature and high-pressure reservoirs. According to the geological characteristics and development conditions of the target carbonate...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 15–18, 2019
Paper Number: CMTC-579484-MS
... Abstract The low recovery of oil from the tight liquid-rich formations is still a main challenge for the tight reservoir. Thus, in order to break the chains and remove the obstacle such as the low recovery factor in the Bakken tight formation, even though the horizontal drilling and hydraulic...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-484390-MS
... the nature of shale reservoirs, we find that some shale methane is stored as an adsorbed phase on surfaces of organic carbon. Meanwhile, laboratory and theoretical calculations indicate that organic-rich shale adsorbs CO 2 preferentially over CH 4 . Shale gas reservoirs are recently becoming the promising...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-484985-MS
... Abstract As an effective method for resource utilization, CO 2 huff-n-puff can be utilized to reduce CO 2 emissions and enhance oil recovery in edge-water flock-block reservoir, which was implemented in Jidong Oil Field, China since 2008 with oil production of 6.5×10 4 bbls by 2015. During...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-485111-MS
... Abstract Shale oil reservoirs such as Bakken, Niobrara, and Eagle Ford have become the main target for oil and gas investors as conventional formations started to be depleted and diminished in number. These unconventional plays have a huge oil potential; however, the predicted primary oil...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-485175-MS
... of these miscible gases in shale-reservoirs conditions. Implementation of a molecular diffusion model in the LS-LR-DK (logarithmically spaced, locally refined, and dual permeability) model has been also conducted. Secondly, different molar-diffusivity rates for miscible gases have been simulated to find...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-485491-MS
... Noticeable progress in understanding the high efficiency of "foamy oil" in solution gas drive in heavy oil reservoirs has been made in recent years. However, "foamy oil" during CO 2 flooding was still a special and novel phenomenon when CO 2 flood asphaltic oil. The basic mechanism...
Proceedings Papers

Paper presented at the Carbon Management Technology Conference, July 17–20, 2017
Paper Number: CMTC-485727-MS
... Abstract Depleted petroleum reservoirs are considered as the best underground facilities for carbon dioxide storage. The underground storage reservoirs are subject to the constant geothermal heat flux coming from the surrounded formations. Thus, there is an opportunity for further development...

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