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Keywords: shale gas
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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-202222-MS
... recovered economically through natural depletion, demonstrating a significant potential for enhanced shale gas recovery (ESGR). Experimental studies have demonstrated that shale kerogen/organic matter has a higher adsorption affinity for CO 2 than methane, CH 4 . CO 2 is preferentially adsorbed over CH 4...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202242-MS
... how different field development strategies affect ultimate hydrocarbon recovery and net present value. energy economics fracturing materials shale gas production monitoring asset and portfolio management production control modeling & simulation reservoir characterization reservoir...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202261-MS
... machine learning artificial intelligence water saturation new generation nmr oil saturation well logging upstream oil & gas porosity reservoir characterization shale gas oil production petrochina xinjiang oilfield company interpretation case study reservoir producibility index china...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202319-MS
... Abstract The highly complex geology of the Sichuan Shale gas play, especially in relation to natural fracture systems at different scales, affects the hydraulic completion efficiency and performance. Ant-tracking-based workflows and borehole image data are regularly used to optimize completion...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202322-MS
... economics shale oil complex reservoir unconventional resource economics pyrite oxidation hydraulic fracturing upstream oil & gas calcite dissolution fluid salinity vacuum condition oil shale produced water discharge concentration flowback water shale gas structural geology fluid-shale...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202335-MS
... is the moles of adsorbed component per unit mass; ω i,max is the maximum moles of adsorbed component i per unit mass; P is the pressure;   y jg is molar fraction of adsorbed component i in the gas phase. CO 2 can be injected to the shale gas well in two different ways, namely...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202305-MS
... water treatment. waste management reservoir characterization shale gas shale oil energy economics downhole intervention us government complex reservoir hydraulic fracturing social responsibility drillstem testing intervención de pozos petroleros completion installation...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202337-MS
... Abstract The aim of this work is to study shale gas production subject to water blocking in compressible shale. Water blocking is a capillary pressure end-effect causing the wetting phase (e.g. water) to accumulate near the transition from a porous medium to an open medium; in this context, a...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202309-MS
... Abstract In tight shales, gas is stored in both free and adsorbed forms where the latter can make a significant or majority part of the gas in place. When the adsorbed layer thickness becomes of similar magnitude as the pore radius the adsorption can also affect the flow performance. We...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202421-MS
.... After supercritical CO 2 soak, re-fracturing could open the horizontal bedding more easily as well as extend to the rock matrix, creating a more complex fractured system, enhancing oil recovery. shale gas drilling operation enhanced recovery re-fracturing upstream oil & gas shale oil...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202462-MS
... Abstract Gas desorption is one of the major gas transport mechanisms in shale gas reservoirs. However, its actual contribution to gas production is often masked by the indiscriminate use of adsorption-derived parameters for desorbed gas volumes during gas production calculations at reservoir...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202466-MS
... water wettability of shale increases with the imbibition time.Therefore, a large amount of fracturing fluid spontaneously permeates into the shale micro-nano pores in the process of hydraulic fracturing, which is an important reason for the low flowback efficiency of shale gas wells. The research...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196464-MS
... co 2 shale gas Upstream Oil & Gas Simulation co 2 pure co 2 filtration coefficient investigation complex reservoir thickened co 2 shale oil viscosity numerical simulation oil shale performance improvement rheological index crack length different factor thickener content society...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196529-MS
... Abstract Selecting a good fracturing candidate that can maximize the complex fracture network in advance is beneficial for enhancing the fracturing effectiveness and the economic development of shale gas reservoirs. Brittleness is generally used to evaluate the capability of complex fracture...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192106-MS
... formations (i.e. significantly below normal hydrostatic pressure). The potential effect of unconventional gas projects—in particular shale gas— on groundwater has been the focus of much recent research. Studies have shown increased methane concentrations in shale gas producing regions, although the...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192115-MS
... In the shale gas reservoirs, we also used the resistivity of lean shale (R lean ) as the resistivity of shale (R sh ) in Indonesia equation also, we thus change R sh to R lean . (11) R 0 = R s h = R l e a n Waxman and Smits proposed a model, relating the...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192124-MS
... In the process of shale gas mining, the position and number of the platform and the corresponding relationship between the platform and the wellhead should be determined when the deployment of the horizontal well pattern is made. The selection range of the drilling platform position is very...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192014-MS
... in laboratory measurements and in reservoirs is compared using the new model. Additionally, we compare the permeability of natural fractures and shale matrix using this model, demonstrating that opening and propping up natural fractures may enhance gas recovery significantly. Shale gas is...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192139-MS
... i h 1.842 × 10 − 3 q s c B g i μ i Abstract Production data analysis (PDA) is a very useful methodology to conduct transient rate and pressure analysis for shale gas wells. However, frequent shut-ins as well as nozzle size changing and well interference...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191878-18APOG-MS
... digital rock quantitative evaluation technology evaluation exploration shale gas reservoir simulation migration Oil and gas reservoir evaluation plays an important role in determining both exploration and reservoir development targets, exploration target optimization, and adjustments to...

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