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Keywords: shale
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Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition, June 5–8, 2023
Paper Number: SPE-214417-MS
... punch test. Intermediately upscaled shale models can be developed to model shale caprock behavior under subsurface storage operations such as CO 2 or H 2 storage. Of importance to creating a useful material model is to take into account the anisotropic nature of shale caprock, by introducing parallel...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190781-MS
... Abstract In shale gas reservoirs, the fluid imbibition was quite common during well drilling and stimulation, and it also related with engineering designs such as the borehole instability control and hydraulic fracturing operation, which fluid spontaneous imbibition into shales became a hot...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180080-MS
... Abstract Widely-distributed organic-rich shales are being considered as one of the important carbon sequestration targets owing to three differentiators compared with conventional reservoirs and saline aquifers: 1) trapping of significant amount of CO 2 permanently; 2) kerogen-rich shale's...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180105-MS
... the results of proppant embedment and conductivity, including closure pressure, elastic-plastic properties, properties of viscoelastic proppant and rock are investigated. Experimental researches are also conducted to evaluate conductivity at different closure pressures for the fractures of steel plate, shale...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180097-MS
... research has been conducted into the relationship between wettability and surface forces of shale samples that have been ground up and/or otherwise been altered. However, very little attention has been given to measuring the zeta potential of the surface of unbroken, intact shale samples. A new technique...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180071-MS
... Abstract We have performed a laboratory study of cryogenic fracturing for improving oil/gas recovery from low-permeability shale and tight reservoirs. Our objective is to develop well stimulation techniques using cryogenic fluids, e.g. liquid nitrogen (LN) to increase permeability in a large...
Proceedings Papers

Paper presented at the EAGE Annual Conference & Exhibition incorporating SPE Europec, June 10–13, 2013
Paper Number: SPE-164857-MS
... problem information seismic history seismic misfit permeability multiplier Pareto front saturation seismic data production data algorithm bulk modulus impedance shale lt 2 misfit (1) κ d r y r = κ inf r 1 + E κ r exp ( − P e f f / P κ r...
Proceedings Papers

Paper presented at the EAGE Annual Conference & Exhibition incorporating SPE Europec, June 10–13, 2013
Paper Number: SPE-164884-MS
...Petrophysical Log Calibration Consider a simple case in Fig. 1 . A reservoir model cell has an average thickness of 10 feet. In this particular case, a 10-foot cell is consistent of 5-feet of reservoir sand with total porosity of 30% and another 5-foot shale layer with total porosity of 16...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 4–7, 2012
Paper Number: SPE-153885-MS
..., a stochastic approach is usually needed. In either case, the uncertainties in facies distribution must be fully assessed. This paper presents a case study and workflow in which different sand-shale proportions (more optimistic, basic, and less optimistic) are considered in facies modeling, in order...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 4–7, 2012
Paper Number: SPE-154397-MS
... Abstract One of the major issues with the development of unconventional ultratight shale-gas reservoirs is related to concerns about underdisplacing or overdisplacing hydraulic proppant-fracture treatments in multiple-zone completions in horizontal wells. In recent years, a very large number...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 4–7, 2012
Paper Number: SPE-154725-MS
... storage in aquifers and depleted gas reservoir. The storage capacity of gas reservoirs for CO 2 depends also on the sorption in the omnipresent minerals and shales. It is important to investigate whether adsorption on shales gives an important contribution to the storage capacity. It is also important...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, May 23–26, 2011
Paper Number: SPE-141285-MS
... drilling hazards in their well programme and planned the MELES as a contingency system should these situations be realized. While drilling the 12.25-in. hole section below the 13-3/8-in. casing, situations with caving, sloughing, and swelling shale sections, combined with lost returns were encountered...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, May 23–26, 2011
Paper Number: SPE-142959-MS
.... In Europe, unconventional reservoirs (in particular shale gas) are receiving considerable attention. Basins with potential shale-gas plays exist, as does the infrastructure to transport gas to the end user. In addition, the gas-price scenario is favorable as well. It will be critical to find US analogs...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, May 23–26, 2011
Paper Number: SPE-143320-MS
... & gas international journal underbalanced drilling pore pressure effective tangential stress coefficient spe 143320 plastic zone shale wellbore instability reservoir geomechanics annular pressure drilling different time step effective stress solute mass fraction vertical in-situ stress...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, June 14–17, 2010
Paper Number: SPE-131577-MS
... and the Novel Flexible and Expanding cement system and details one well case history of nine wells which is part of the upstream agreement with Saudi. dolomite cement sheath shale drilling fluids and materials siltstone upstream oil & gas drilling fluid management & disposal spe 131577...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 8–11, 2009
Paper Number: SPE-121972-MS
... mechanics stability equation shale plug triaxial test laboratory Chang Introduction Rock mechanical properties are essential for accurate in situ stress analysis and geomechanical evaluations including wellbore stability analysis, sand production prediction and management, hydraulic...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 8–11, 2009
Paper Number: SPE-121968-MS
... Journal operation unconventional project injection module incentive reservoir exploitation SAGD unconventional resource economics operational intensity shale hydrocarbon oil and gas investor enhanced recovery Upstream Oil & Gas Reservoir Description extraction application...

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