Skip Nav Destination
Close Modal
Update search
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
Filter
- Title
- Author
- Author Affiliations
- Full Text
- Abstract
- Keyword
- DOI
- ISBN
- EISBN
- ISSN
- EISSN
- Issue
- Volume
- References
- Paper Number
NARROW
Format
Subjects
Article Type
Date
Availability
1-20 of 46
Keywords: differential equation
Close
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
1
Sort by
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220695-MS
... characterization injection geologist reservoir geomechanics deformation enhanced recovery caprock displacement allowance supercritical co2 poroelastic reservoir boundary resulting enhancement mmtco2 journal differential equation petroleum play type geological subdiscipline equation reservoir...
Proceedings Papers
Mohammad Kazemi, Ali Takbiri-Borujeni, Hossein Nouroizeh, Arefeh Kazemi, Sam Takbiri, Clayton Wallrich
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215103-MS
... Abstract This paper presents a novel approach using deep learning to address the computational challenges associated with direct numerical simulation (DNS) in reservoir management for oil and gas recovery optimization. DNS involves solving partial differential equations for millions...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214891-MS
... asia government reservoir geomechanics israel government structural geology europe government geological subdiscipline fracture injection stiffness differential equation frictional coefficient equation slider likelihood experimentally earthquake induce seismicity magnitude mechanism...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210272-MS
..., the dimensionless flow differential equation in the Laplace domain can be written as: (2) ∂ 2 p ¯ 4 D ∂ y D 2 = s η 4 D p ¯ 4 D There are two boundary conditions: (1) outer boundary no flow in region 4; (2) pressure continuity between regions 4 and 2...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205893-MS
... formulation capacity number fluoroboric acid mud acid mineral equation injection permeability penetration differential equation Introduction Matrix acidizing is a commonly applied well stimulation technique for improving the flow of hydrocarbons into the well bore. In sandstone reservoirs...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195900-MS
... partial differential equations (PDEs) for simultaneous gas-oil flow with an inner boundary condition of constant bottom-hole pressure (BHP). We then defined pseudo-variables to transform the non-linear PDEs to linear forms. By developing deterministic models for calculation of fluid properties using multi...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191578-MS
... Intelligence investment prospect Government Incentive royalty rate scheme differential equation Introduction Asset Valuation Model with Government Incentives for E&P Projects Abstract In recent years, the Oil & Gas industry has struggled due to the low hydrocarbon prices...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-178734-STU
... occurring in nature to two-phase flow phenomena in gas reservoirs. The presented model has a widespread use in modeling the populations dynamics including competition between two species. It is a set of two differential equations, which describe both interspecies and intraspecies interactions. This paper...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-159593-MS
... of coupled ODEs. Clearly, the calculation of modal a i (t ) is the core of deriving the displacement u (t ). To simplify the analysis, this second order differential equation should be rewritten as the first order equation in the extended space. Let z l i = a i and z 2 i...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146959-MS
... where α is the inclination angle of the wellbore. Instead of applying energy method, Mitchell (1988) applied equilibrium analysis method, and derived a fourth order nonlinear ordinary differential equations that describe the post-buckling behavior of tubing in inclined wells...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-96131-MS
... of Lubinski solutions, with each solution "far" from the interconnection of the different sized tubulars. Perhaps there are non-constant pitch solutions? Since the buckling differential equation is non-linear, it is not surprising that no other analytic solutions have been discovered until recently. Once...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-90649-MS
... and therefore the predominantly historical utility of Arps’ equation has been as Fetkovich developed, that is, as the foundation of Decline Curve Analysis, in which a 0 and b are inverted from historical production. differential equation rate decline arp equation fetkovich spe 90649 drillstem...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-89911-MS
... as laterally unbounded, isotropic, and homogeneous. The benefit of this simplification is that the diffusion equation reduces to an ordinary differential equation which can be solved analytically in terms of an exponential integral. The similarity transform which amalgamates time t and radial distance r...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84073-MS
... flow solutions presented later in this work. For the case of "real gas" flow we use the following rigorous differential equation: (in dimensionless form): "Real Gas" Form of the Diffusivity Equation: (7) 1 r D ∂ ∂ r D [ r D ∂ p p D ∂ r D...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84374-MS
... variable formulation boltzmann transform upstream oil & gas type curve plot differential equation wellbore storage dimensionless pressure reservoir model drillstem testing integration drillstem/well testing permeability permeability profile radial distance effective permeability...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71566-MS
... transient analysis pressure transient testing formation testing reservoir characterization differential equation water saturation fluid loss control well logging drilling fluid chemistry wu spe 71566 mudcake thickness gradient simulator mudcake buildup tester Introduction The Wireline...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71600-MS
... regime, given only field permeability, pressure and production well measurements. FIAT solves the forward and inverse partial differential equations (PDEs) simultaneously by adding a regularization term and filtering pressure gradients. An implicit adaptive-grid, Galerkin, numerical scheme is used...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63195-MS
... lb m ×0.454 E +00= Kg lbf×4.4482 E +00= N inch × 25.4 E −03 = m in 3 /min × 1.6387 E −05 = m 3 /min gallon (US) × 3.785 E +00 = liter psi × 6.8948 E −03 = Mpa cp ×1.0 E −03 = Pa.s Derivation of the Governing Differential Equation The free body diagram...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56480-MS
... wave. This non-classical kind of wave is common in three-phase flow. In this paper, we show how transitional waves arise in WAG flow and how they can be calculated by semi-analytic methods, which are helpful in the design of effective WAG recovery strategies. differential equation artificial...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56832-MS
... injection rate injection rate operation gas lift automatic control artificial intelligence gas injection gas injection choke lift gas control structure stabilization valve choke oil production rate flow rate spe 56832 differential equation upstream oil & gas ref equation instability...
1