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Thermal depletion of a geothermal reservoir with both fracture and pore permeability (open access)

Thermal depletion of a geothermal reservoir with both fracture and pore permeability

A method for estimating the useful lifetime of a reservoir in porous rock where the injection and production wells intersect a fracture system is presented. Equations were derived for the pore-fluid and fracture-fluid temperatures averaged over large regions of the geothermal field. Problems such as incomplete areal sweep and interfingering of cool and hot fluids are ignored. Approximate equations relating average temperatures to the heat flowing from rock to fluid were developed, and their use is justified by comparing the results with solutions of the exact equations. The equations for the temperature decline can be solved quickly. In the model, fractures are characterized by three parameters: aperture w, permeability k/sub fr/, and spacings between fractures D. For certain values of these parameters, cool reinjected fluid in fractures may reach the production wells long before all the warm pore fluid has been tapped, shortening the useful lifetime of the field. The traditional (and important) problems of reservoir engineering, flow rate determination, drawdown, sweep patterns, etc. were ignored. Thus the results are most useful in providing a correction factor which can be applied to lifetime estimates obtained from a detailed simulation of a field assuming porous rock. That correction factor is plotted …
Date: August 10, 1976
Creator: Kasameyer, P.W. & Schroeder, R.C.
Object Type: Report
System: The UNT Digital Library
Borehole cement and rock properties studies. Progress report for the period up to 1 August 1976 (open access)

Borehole cement and rock properties studies. Progress report for the period up to 1 August 1976

Research on the use of cements in radioactive waste isolation is reported. Other research is reported on the effects of thermal treatments of clays and shales on their cation exchange capacities and relative sorptive properties for cations. Development of instrumentation for measuring thermal properties of cements at atmospheric pressure was completed. A method was developed for measuring heat flow in shales and cement. Data on thermodynamic properties of cements and shales are included. Studies of shales, siltstones, and evaporites including scanning electron microscopy are in progress. (JRD)
Date: August 10, 1976
Creator: Roy, D. M.; Brindley, G. W.; McKinstry, H. A.; Voight, B.; Grutzeck, M.; Komarneni, S. et al.
Object Type: Report
System: The UNT Digital Library

[Photograph 2012.201.B0223.0491]

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "a skit to be presented at Xi Psi Chapter of Beta Sigma Phi's "Beginning Day" festivities are Mrs. Jack Lester, left, and Mrs. Dan Chilcutt."
Date: August 10, 1976
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0239.0745]

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "One year later, in 1933, Phil Cope of Classen rubbed out Allen's national record, first in the A & M Interscholastic and again in Chicago, winning both in 14.7. Cope later tied the world high hurdles mark running for Southern California."
Date: June 10, 1976
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0172.0175]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Workmen prepare a beam for the First Baptist Church's new educational building."
Date: September 10, 1976
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0164.0498]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Balyeat's Sno Magick, a white collie, will be competing with some 135 other entries at the Central Oklahoma Collie Club Show, which opens at 8 a.m. Saturday at the State Fairgrounds, women's building."
Date: February 10, 1976
Creator: Tullous, Don
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0152.0874]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Among the honored guests at the party were Dr. and Mrs. Ed Dalton, members of the Allied Arts Fund's Circle Club."
Date: November 10, 1976
Creator: Carter, J. Pat
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0162.0546]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Typical opening of a CB confab with the Sugar Britches , the name- or "handle " - Lanie Dills, 34, ..."
Date: March 10, 1976
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0314B.0046]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "I entertained the thought I might burn, but I knew I couldn't because God wouldn't let me."
Date: September 10, 1976
Creator: Klock, Roger
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0325.0167]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Steve Keller, Oklahoma City real estate and marketing manager, joined the Goldman Enterprises of Sylvan N. Goldman last week as assistant vice president in charge of Oklahoma estate operations."
Date: October 10, 1976
Creator: Tapscott, George
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0352.0438]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Kenneth Knapp and his Pakaluks at the fall Affair ... best market in the nation."
Date: November 10, 1976
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0328.0264]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. John W. Keys, director of the division of allied health professions at the University of Oklahoma Health Sciences Center, has received the highest alumni award given by Western Illinois University, Macomb, Ill."
Date: June 10, 1976
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0264.0573]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Technician Kay Davis moves Kay Reston into position in the scanning unit."
Date: September 10, 1976
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0270.0415]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Describe as cumbersome but effective, the admissions procedure is overseen by Oklahoma City physician Dr. William Hughes, admissions board chairman."
Date: March 10, 1976
Creator: Carter, Pat J.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0262B.0490]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "PRANCING PROUDLY around the arena at the State Fairgrounds is an unidentified participant in a buggy in Thursday's action at the All American Horse World Exposition."
Date: June 10, 1976
Creator: Ehteridge, Robert
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0239.0396]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jeannie Hagy wrote her first novel, "And Then Mom Joined the Army," in response to a contest sponsored by a publishing firm."
Date: February 10, 1976
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0225.0442]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Katie Gordy spends time with her oldest two daughters, Jennifer, left, and Joanna, right."
Date: December 10, 1976
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0261C.0074]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Randy Sherman reportedly is owner of Homa Records, Inc., 1 NE 7, one of the two plants raided by agents."
Date: March 10, 1976
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0262B.0455]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Junior Western Pleasure rides guide their Appaloosa through this morning's event at Fairgrounds Arena."
Date: November 10, 1976
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0334.0500]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Putting hundreds of cookies in the freezer to keep safely until they're ready to by baked and sold at the St. George Greek Orthodox annual sale are Mrs. James Kiriopoulos, left, and Mrs. Pete Bozalis."
Date: November 10, 1976
Creator: Miller, Joe
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0224.0521]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Rafael Gonzalez, a Puerto Rican wrestler, continues training for the 1980 Olympics while he visits in Lawton."
Date: September 10, 1976
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0271.0463]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "A pair coming over high and fast-that's the challenge(doves) offer to shooters."
Date: July 10, 1976
Creator: Titus, Glenn
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0172.0321]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "READY FOR ACTION is this new fire station at Bauman and St. in Edmond which is one of two new stations in the community - both on 2nd St."
Date: November 10, 1976
Creator: Southerland, Paul B.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0166.0401]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "DEMONSTRATING PROCEDURES for attaching a wall anchor for Tiana Zaffuto director of the Neighborhood Development and Conservation Center, is Duane Beachey an instructor i the home repair workshops now being sponsored by the development and conservation center."
Date: August 10, 1976
Creator: Southerland, Paul B.
Object Type: Photograph
System: The Gateway to Oklahoma History