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Keywords: fracture
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Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192269-MS
... consisted of five 30 ft. long swell packers isolating 250 to 300 ft 4 ½-in. liner joints. The swell packer OD was 5.6 in., and they were positioned to enable multiple fracturing. Five long swell packers left a small annular space, which made the work more challenging. On reaching TD, a dummy run with gun...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192255-MS
... including acidizing, hydraulic fracturing, and fluid diversion. For each application, foam should have a minimum acceptable value of viscosity, stability, and/or fluid compatibility. Those values were reviewed from literature and categorized based on reservoir conditions. Also, different rheological models...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192324-MS
... Abstract Using pressure transient testing is very useful to identify reservoir properties, such as permeability, and reservoir size. However, it can also be used as an evaluation tool to test the success of the fracturing process as well as identifying the fracture properties...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192212-MS
..., total organic content (TOC), thermal maturity, porosity, stress orientations and the presence of natural fractures has a direct impact on ultimate recovery. Unconventional resource development is capital intensive, and as a result drives the need for immediate cash flow. Many operators were already...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192240-MS
...Optimization of fracture intervals Geochemical The geochemical study of source rock reservoirs helps identify intervals with high total organic carbon (TOC) and thermally mature. The following subsections are the primary methods used to calculate TOC using log data. DeltaLogR...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192196-MS
...Non-Darcy Models for Flow in Fractures (3) − ∇ P = μ Q K 0 A , where ∇P is the pressure gradient, Q is the flow rate and K 0 is the actual fracture permeability. Mei and Auriault (1991) developed a perturbation solution to Darcy’s law to account for the weak...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192250-MS
... Abstract A conventional proppant pack may lose up to 99% of its conductivity due to gel damage, fines migration, multiphase flow, and non-Darcy flow. Therefore, the concept of pillar fracturing was developed to generate highly conductive paths for hydrocarbon to flow. The success of the pillar...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192153-MS
... Alhuraishawy et al. (2018) prepared fracture core flooding set up with the following description: "The schematics of the setup used in these experiments are presented in Figs.2 and 3 . The model was constructed of two acrylic plates with a rubber O-ring between them. Bolts and nuts were used...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192155-MS
... The system of fluids were used to obtain the best possible fracture results for the targeted reservoir conditions. The previously mentioned rock mechanics and petrophysical properties of the formation were essential factors when placing frac stages. As presented former, the completion was laid...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192235-MS
... fractures. This layer was tested and confirmed to produce 100% water, accompanied by low flow rates. Layers B and C (sandstones): Layer B showed approximately 80% Sw. Layer C showed 40% Sw with additional open fractures identified from the high resolution image of Fig. 4 and Fig. 5 , contributing...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192152-MS
... pressure diffusion equation to model the linear flow that occurs towards the fractured planes illustrated in Fig. 1 . The radial flow into the wellbore is less considered as the permeability ratio between hydrofracture and rock matrix is infinite. The parameters that govern the equation can be set...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192431-MS
... Abstract CO 2 waterless fracturing is a novel waterless fracturing technology. CO 2 exists in the reservoir with supercritical state, and its fracturing stimulation mechanism is very different from that of water-based fracturing. This paper studies the physical and chemical properties...
Proceedings Papers
State of the Art on Porosity and Permeability Hysteresis: Useful Techniques for Hydrocarbon Recovery
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192409-MS
... stress fracture mathematical model society of petroleum engineers teklu core sample permeability hysteresis permeability hysteresis phenomenon exhibition shale application hysteresis Behavior Dong engineering chemistry research Introduction Porosity and permeability are essential...
Proceedings Papers
Zhengdong Lei, Zhouyuan Zhu, Shuangshuang Liu, Tao Yu, Jiangru Yuan, Jiahong Li, Jing Zhang, Lei Li, Hang Zhao
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192402-MS
... Abstract Waterflooding has been the main development method for fractured low-permeability reservoirs, which is often associated with poor sweep and high water cut due to natural, hydraulic, and water injection induced fractures in these reservoirs. Streamline simulation is a potential solution...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192365-MS
... Abstract Hydraulic fracturing is performed to enhance production in reservoirs with low permeability. It's an effective technique but there are still several uncertainties associated in its implementation. One of the uncertainties is the dependence of breakdown pressure on the type...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192367-MS
...Induced Fractures in Compaction Once the hydraulic pumping ceases, two mechanisms happen, the Mohr circle shrinks and the pore pressure would decline to a point where the Mohr circle intersects the Mohr failure envelope to the right, activating the green fractures in Fig. 2 (B). This creates...
Proceedings Papers
Tao Yu, Zhengdong Lei, Jiahong Li, Jianfeng Hou, Xiaoping An, Xiaoying Zhou, Xili Deng, Jinfang Wang
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192416-MS
... and increasing ultimate recovery for such mature waterflooded field. However, optimizing infill drilling pattern entails additional challenges because of the complicated remaining oil distribution affected by reservoir heterogeneity and multi-scale fractures after long-lasting production. Methods, Procedures...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-194225-MS
... requirements, which include depth control and recovery qualification linked to the borehole conditions (washouts, breakouts, drilling induced fractures, and invasion), expected rock mechanical properties, formation heterogeneities (i.e., laminations, natural fractures) and RQ (porosity, volume of clay...
Proceedings Papers
Zhengdong Lei, Kai Luo, Shuangshuang Liu, JunChao Li, Tao Yu, Jiangru Yuan, Jiahong Li, Lei Li, Hang Zhao
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192406-MS
... Although water injection induced fractures usually contribute to the permeability of the formation, they are usually not needed during water flooding due to the early seepage of the wells. Most of the injected water will flow along high permeability fractures, which will lead to low sweep...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192411-MS
... Abstract Hydraulic fracturing has been widely used for unconventional reservoirs including organic-rich carbonate formations for oil and gas production. During hydraulic fracturing, massive amount of fracturing fluids are pumped to crack-open the formation and only a small percentage...
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