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The AAPG/Datapages Combined Publications Database

Showing 1,451 Results. Searched 195,689 documents.

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Drilled Sidewall Cores Aid in Interpretation of the Tertiary Wasatch Formation, Natural Buttes Field, Utah

Michael E. Shade, Diana K.T. Hansen

Utah Geological Association

... is a measure of how accurate the input parameters are. This is accomplished utilizing weighted-least-squares error-minimization techniques. An ULTRA...

1992

Integrating Model Uncertainties in Probabilistic Decline Curve Analysis for Unconventional Oil Production Forecasting

Aojie Hong, Reidar B. Bratvold, Larry W. Lake, Leopoldo M. Ruiz Maraggi

Unconventional Resources Technology Conference (URTEC)

... it appears because the meaning of “best” is not well defined. In many applications, the model that can best fit the data in a least squares sense...

2018

Application of Trend Analysis to Pre-Morrow Surface, Southeastern Hugoton Embayment Area

M. W. Schramm Jr.

Oklahoma City Geological Society

... for eliminating regional dip: am. Assoc. Petroleum Geologists Bull., v. 19, no. 10, p. 1538-1543. Simpson, S. M., 1954, Least squares polynominal fitting...

1970

Advanced Caliper Processing for Early Detection of Casing Problems

Barry Nicholson

Indonesian Petroleum Association

...-fingered caliper to extract this parameter. The new eccentralization technique uses a least squares fitting and optimization routine that allows accurate...

1996

Extended Abstract: Multivariate Geostatistical Model for Groundwater Constituents in Texas

Dr. Faye Anderson

Houston Geological Society Bulletin

... allowed for the use of a covariance matrix. The model was validated with a split-sample. Estimates of iteratively re-weighted generalized least...

2016

Abstract: X-Ray diffraction results from the weathering zone above the Bisha volcanic-hosted massive sulphide deposit, Eritrea

Kacper Halama, Cliff Stanley

Atlantic Geology

..., and chalcopyrite), and (v) hypogene massive sulphide (pyrite, sphalerite, and chalcopyrite). Using lithogeochemical compositions of these rocks, ordinary least...

2011

Abstract: X-ray diffraction results from the weathering zone above the Bisha volcanic hosted massive sulphide deposit, Eritrea

Kacper Halama, Cliff Stanley

Atlantic Geology

..., and chalcopyrite). Using lithogeochemical compositions of these rocks, ordinary least squares regression methods were used to obtain ‘best fit’ mineral modes...

2012

Residual Gravity Analysis of the Mid-Continent Gravity High: ABSTRACT

Richard L. Coons, George P. Woollard, Garland Hershey

AAPG Bulletin

... involving the fitting of non-orthogonal polynomial surfaces to a collection of gravity data by the principle of Least Squares has been developed...

1964

Application of Trend Analysis to Pre-Morrow Surface, Southeastern Hugoton Embayment Area, Texas, Oklahoma, and Kansas

Martin W. Schramm, Jr.

AAPG Bulletin

... regional dip: Am. Assoc. Petroleum Geologists Bull., v. 19, no. 10, p. 1538-1543. Simpson, S. M., 1954, Least squares polynomial fitting to gravitational...

1968

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