Results 131 to 140 of about 394 (174)

Evolution of the Cerro Prieto Reservoirs Under Exploitation

, 1997
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Seismological studies at Cerro Prieto

Geothermics, 1980
Abstract During the period 14 February — 11 March 1978, a radio-telemetered 12-station seismographic network was operated in a dense-array configuration over the Cerro Prieto field as shown in Fig. 1. Horizontal and vertical 4–5-Hz geophones were deployed with interstation distances of order 1 km in a multi-purpose survey for microearthquake ...
E.L. Majer, T.V. McEvilly, A. Albores, S. Diaz C.   +3 more
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Referenced magnetotellurics at cerro prieto

Geothermics, 1980
Abstract Among the various geophysical methods for determining the distribution of electrical resistivity within the earth, the magnetotelluric (MT) method alone utilizes the natural low-frequency telluric voltage variations and the simultaneous magnetic variations which cause the telluric currents.
T.D. Gamble, W.M. Goubau, N.E. Goldstein, J. Clarke   +3 more
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Precision gravity studies at Cerro Prieto

Geothermics, 1980
Abstract Some 60 gravity stations have been established within and adjoining the Cerro Prieto geothermal field for the purpose of monitoring the small temporal changes due to fluid withdrawal and subsidence. Each station consists of a permanent concrete slab whose initial elevation has been determined by the CFE's second-order levelling survey. It is
R.B. Grannell, D.W. Tarman, R.C. Clover, R.M. Leggewie, N.E. Goldstein, D.S. Chase, J. Eppink   +6 more
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LBL resistivity studies at Cerro Prieto

Geothermics, 1980
Abstract In a joint venture, the LBL and CFE have undertaken a series of de resistivity studies at the Cerro Prieto geothermal field. In the present study dipole-dipole resistivity data have been collected and two-dimensional modeling studies have been performed using these and existing Schlumberger data taken by the CFE.
M.J. Wilt, N.E. Goldstein, A. Razo M.
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The origin of the Cerro Prieto geothermal brine

Geothermics, 1981
Abstract The Cerro Prieto geothermal brine may have originated from mixing of Colorado River water with seawater evaporated to about six times its normal salinity. This mixture circulated deeply and was heated by magmatic processes. During deep circulation, Li, K, Ca, B, SiO 2 and rare alkalis were transferred from rock minerals to the water, and Mg,
A.H. Truesdell, J.M. Thompson, T.B. Coplen, N.L. Nehring, C.J. Janik   +4 more
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General overview of geophysical studies at Cerro Prieto

Geothermics, 1980
Geophysical investigations by the CFE in the Mexicali Valley near the Cerro Prieto volcano began nearly 20 years ago. Initially, gravity and seismic refraction methods were used for structural information related to faults and basement configuration. Supplemented by ground magnetic and gravity measurements, the resistivity data are being interpreted to
N.E. Goldstein, A. Razo M.
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A review of the hydrogeologic-geochemical model for Cerro Prieto

Geothermics, 1991
Abstract With continued exploitation of the Cerro Prieto, Mexico, geothermal field, there is increasing evidence that the hydrogeologic model developed by Halfman and co-workers presents the basic features controlling the movement of geothermal fluids in the system. In mid–1987 the total installed capacity at Cerro Prieto reached 620 MW c , requiring
M.J. Lippmann, A.H. Truesdell, S.E. Halfman-Dooley, Mañónm A.   +3 more
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Gas chemistry and helium isotopes at Cerro Prieto

Geothermics, 1979
Abstract Seven producing wells and seven hot springs in the Cerro Prieto geothermal field were sampled during April and September 1977, for determination of gas chemistry and helium isotope ratios. Well gases are remarkably uniform in gas chemistry and helium isotope ratio, showing high 3 He/ 4 He ratios characteristic of mantle-derived helium, and ...
J.A. Welhan, R. Poreda, J.E. Lupton, H. Craig   +3 more
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Corrosion and scaling at Cerro Prieto geothermal field

Anti-Corrosion Methods and Materials, 2009
PurposeThe aim of this work is to study the corrosion and scaling factors, mechanisms and processes affecting the materials, equipment and installations of the Cerro Prieto geothermal field (GTF).Design/methodology/approachThe physicochemical characteristics of the geothermal well and fluids were analysed, recorded and related to the corrosion and ...
Benjamin Valdez, Michael Schorr, Margarito Quintero, Monica Carrillo, Roumen Zlatev, Margarita Stoytcheva, Juan de Dios Ocampo   +6 more
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