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The AAPG/Datapages Combined Publications Database

Showing 2,719 Results. Searched 194,555 documents.

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Research Development of Resin Epoxy to Control Sand Production Problems

Imam Fathoni Rasyid, Taufan Marhaendrajana, Ecep Muhammad Mujib

Indonesian Petroleum Association

... is needed in solving problems effectively and efficiently, with more economical cost considerations. The objective of Sand Control and Management research...


Possibilities of Estimating Prognostic Reserves of Oil on a Genetic Basis

S. G. Neruchev

Petroleum Geology: A Digest of Russian Literature

... expression is also the definitive formula for calculating prognostic reserves of oil by the genetic method, which should be used in solving practical problems...


Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field

Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro

Indonesian Petroleum Association

...), Solving Least Squares Problems, 340 pp., Prentice-Hall, Englewood Cliffs, N. J. Nugraha, A.D., J. Mori., and S. Ohmi, (2010) Thermal struture...


Depth conversion and seismic inversion of the Scarborough gas field

Joseph Kremor, Manish Agarwal, Paul Spaans, Ung Sing Wong

Petroleum Exploration Society of Australia (PESA)

... may be an appropriate approximation of the earth, useful results are difficult to obtain from solving the inverse problem. In seismic inversion...


Arithmetic Means of Circular Data

William H. Wood, Rhoda M. Wood

Journal of Sedimentary Research (SEPM)

... - nz. Solving z = [ y + 2(r + s - n) + (2 - )fM+1]/[n], which yields equation (2), since when 0 < t < 2 we may add 2 to the right member of equation...


Core Orientation by Graphical and Mathematical Methods: DISCUSSION


AAPG Bulletin

... McClellan recommends the solutions by stereographic nets as removing the uncertainty of quadrant of the answer as calculated by the various equations...


Supercritical Flow in Density Currents: A Discussion

Paul D. Komar

Journal of Sedimentary Research (SEPM)

... (2) applies to steady flow, and under these conditions the Froude number becomes F=8 S/f (1+) (3) which is obtained by solving equations...


An assessment of the hydrogeological conditions beneath an unlined municipal and an engineered landfill sites in Malaysia using Numerical Groundwater Flow Models - Case study

Mustapha Atta, Abd Rasid Jaapar, Dharam Singh, Wan Zuhairi Wan Yaacob

Geological Society of Malaysia (GSM)

... by applying computer softwares that uses a set of governing equations, initial and boundary conditions to simulate the various physical, chemical...


3D Refraction Statics Integrated with Surface-Consistent First-Break Picking, Iterative Inversion, and 3D Visualization

Search and

... for the subsurface structure. Iterative linearized inversion is an efficient approach to solving large travel-time problems which gained popularity owing to its use...


Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)

Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux

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... in the imaging condition. The FD image took twice as much time to calculate. Phase-Shifting with the Derivative of the Wavefield Solving the wave equation...


Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)

Yessika Blunda and Kit Chambers

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... from a sample of the noise, recorded without event arrivals taking place solving the normal equations ( ) ( ) ( ) ( ) ( ) (2) AAPG Search...


Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)

Evgeny Landa, Alex Berkovitch, and Kostya Deev

Search and

... 1   ,  2 L Rr R1 1 1 1    2 L Rr R2 and focusing parameter  can be derived solving the following system of equations X   sin  s (1...


A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

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...), and the differential methods, which use wavefield extrapolation to solve the migration equations (these include reverse time migration (RTM...


Porosity and Permeability Estimation using Neural Network Approach from Well Log Data, #41276 (2014)

Akhilesh K. Verma, Burns A. Cheadle, Aurobinda Routray, William K. Mohanty, Lalu Mansinha,

Search and

... in particular, have gained popularity in solving complex nonlinear problems. Permeability, porosity and fluid saturation are three fundamental...


Elastic Dislocation Modelling and Coulomb Stress Change Investigations, #41679 (2015).

H. Broichhausen, R. Muir, C. Dunlop, E. Macaulay

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...: Theory M. Comninou & Dundurs (1975) published the equations for solving the displacement field and the derived strain field for a single angular...


Predicting the Rate of Penetration in Percussive Drilling by Finite Elements Simulation; #42221 (2018)

Timo Saksala

Search and

... by contact mechanics approach while solving the system equations with explicit time marching. The stress states leading to material damage are indicated...


On the State of Coastal Hazards Mapping

David M. Bush, Robert S. Young

Environmental Geosciences (DEG)

... and be deeply involved in coastal zone management and land use planning. In addition, the perspective of the geologist is particularly relevant in solving...


A Unified Model to Predict Flowing Pressure and Temperature Distributions in Horizontal Wellbores for Different Energized Fracturing Fluids

Zhengming Xu, Kan Wu, Xianzhi Song, Gensheng Li, Zhaopeng Zhu, Zhaoyu Pang

Unconventional Resources Technology Conference (URTEC)

... solving energy equations of different thermal regions. Temperature, pressure, and energized fluid properties are coupled in both depth and radial...


Evaluation of Water Hammer Analysis as Diagnostic Tool for Hydraulic Fracturing

Xiang Ma, Fuping Zhou, Jose Alberto Ortega Andrade, Shekhar Gosavi, Damian Burch

Unconventional Resources Technology Conference (URTEC)

... the fracture boundary condition for the pressure transient equations in wellbore for horizontal multi-stage fracture job. The electrical circuit...


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