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Keywords: perforation
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1733
... constant-rate and stepwise-rate, were used to initiate three clusters of perforation. It was observed that under case of constant-rate injection, two fractures initiate from perforations and subsequently intersect with each other. While a T-shaped fracture is created by cyclic constant-rate injection...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1882
... years of production. The sanding risk and sand volume rate is expected to increase with further depletion potentially requiring well intervention for existing producers and active sand control for newly drilled and cased and perforated wells. The analysis also indicated negligible field life sanding...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1897
... ABSTRACT: Well completions, either cased hole gravel packed or cased hole frac packed, often suffer significant productivity decline during hydrocarbon production. In these completions, the perforations are intended to be packed with gravel or proppant, which provides the necessary support...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1162
... ABSTRACT: This study developed the fluid pipe element that can consider fluid distribution, perforation erosion, and temporary plugging effects based on the Finite Element Analysis. This element can be easily coupled with finite element models to achieve multi-fracture propagation simulation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1309
... simulated and observed wellbore pressures, fracture radiuses and entering fluxes over time. Second, on LB2 block, we studied the fracture behavior using two one-cluster stages (with different injection rates) with multiple perforation-like entries azimuthally distributed in a 60-degree phasing configuration...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2147
... installation and operations khaksar early field life proceedings perforation depletion prediction horizontal well case study wellbore design upstream oil & gas geomechanical assessment evaluation assessment field observation khaksar downhole sand control geomechanical sanding prediction...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1920
..., video-based perforation imaging, fiber optic distributed acoustic sensing (DAS), and distributed temperature sensing (DTS) data (Ugueto C et al., 2016; Cramer et al., 2019; Lorwongngam et al., 2020). Distributed fiber optic technology consists of a fiber cable with an intrinsic sensor that measures...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2053
... this preferred orientation, the effective length of the lateral diminishes, which means that the same SRV could be reached with a shorter well at the optimum orientation. Finally, a computational code for a perforated well in an arbitrary direction was implemented to calculate the breakdown pressure for every...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2154
... fracturing mechanism in poro-elastic rock with finite element displacement and finite volume pressure discretization. Fracturing fluids pumped from the wellhead are modeled using compressible pipe flow with frictional pressure loss. Wellbore is connected to fractures through orifice perforations. Fluid flow...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0240
... ABSTRACT: Hydraulic fracturing is a commonly used technique to stimulate hydrocarbon production in low permeability formations. In cased hole completion, perforations act as a connection between the wellbore and the formation. Since perforations are the points at which the induced fractures...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0023
... ABSTRACT: This work offers a predictive model as a success-of-completion strategy (treatment) for a major successful shale play (Wolfcamp). The predictive model may be used to evaluate spacing between fracture clusters and the number of clusters and perforations, and to guide future selective...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0321
... reservoirs. Upstream Oil & Gas natural fracture differential pore pressure hydraulic fracturing orientation consideration perforation natural fracture network depletion effect child well fracture propagation parent well fracture geometry re-fracturing pore pressure fractured...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0434
... ABSTRACT: Shaped charge perforation (SCP) completion is the main way to develop low permeability sandstone gas reservoirs in oilfield. Accurate understanding and evaluation of perforation completion effect play significant roles in optimizing the development of tight sand reservoirs...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0473
... perforation Injection Rate Production Chemistry rock/fluid interaction injection pressure artificial sample epoxy resin core sample permeability injection fracture propagation 1. INTRODUCTION Worldwide, there are around 60-70% estimated reserves that are classified as unconsolidated or poorly...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1644
... on proppant transport after pump stop is considered, and a proppant settlement transport model is established. The model calculation results show that the perforation position and proppant density are the main factors affecting the size of the propped fracture and the morphology of the proppant placement...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1830
... perforation test 1 hydraulic fracture borehole notch 1. INRODUCTION In hydraulic fracturing, breakdown pressure is the peak fluid pressure at which a borehole fractures or breaks down. For a circular borehole with two symmetrical opposing cracks or notches at a certain orientation, theoretical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2020
... ABSTRACT: This paper presents an analytical model to calculate the hydraulic fracture initiation pressure from an arbitrarily oriented wellbore in an elastic medium with and without perforations and investigates the competition between axial and transverse fractures. The model predicts...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2006
... ABSTRACT: Well completion is the process of borehole preparation for the production. Cased and perforated slotted liner completion is used extensively as the completion configuration in the wells drilled into conventional sand formation reservoirs. Such completions may exhibit lower...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0475
... hydraulic fracturing Upstream Oil & Gas optimization drilling operation completion Wolfcamp horizontal well society of petroleum engineers prediction Advancement fracture stage workflow perforation coefficient proppant 1 1. INTRODUCTION A model, new to most of the industry, can be used...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-047
... ABSTRACT: In order to study the influence of cyclic injection on the initiation and extension of hydraulic fracturing, Two large-scale tri-axial laboratory experiments, with the sample size of 30in*30in*36in, are conducted with spiral perforation completion on isotropic cement samples by two...

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