This spreadsheet is a compilation of data compiled by the Environmental Protection Division, Georgia Department of Natural Resources, published as a Web feature service for the National Geothermal Data System. The document contains 8 worksheets, including information about the template, notes related to revisions of the template, Resource provider information, the data, a field list (data mapping view) and a worksheet with vocabularies for use in populating the spreadsheet (data valid terms). Data from 27 maps are included. Fields in the data table include title, description, publication_date, originator_contact_org_name, originator_contact_person_name, originator_contact_position_name, resource_type, keywords_thematic, keywords_spatial, keywords_temporal, originator_contact_street_address, originator_contact_city, originator_contact_state, originator_contact_zip, originator_contact_email, originator_contact_phone, originator_contact_fax, originator_contact_url, bibliographic_citation, north_bounding_latitude, south_bounding_latitude, east_bounding_longitude, west_bounding_longitude, surface_elevation, datum_elevation, interval_depth_top, interval_depth_bottom, elevation_units, temporal_start_date, temporal_end_date, resource_languages, resource_id, resource_url, resource_access_instruction, resource_quality_statement, resource_constraints_statement, resource_lineage_statement, distributor_contact_org_name, distributor_contact_person_name, distributor_contact_position_name, distributor_contact_street_address, distributor_contact_city, distributor_contact_state, distributor_contact_zip, distributor_contact_email, distributor_contact_phone, distributor_contact_fax, distributor_contact_url, metadata_date, metadata_language, metadata_uuid, metadata_contact_org_name, metadata_contact_person_name, metadata_contact_position_name, metadata_contact_email, metadata_contact_street_address, metadata_contact_city, metadata_contact_state, metadata_contact_zip, metadata_contact_phone, metadata_contact_fax, metadata_contact_url, related_resource

Drilling or recompletion of production wens with two or more producing wen bores is a technique that has been used successfully by several operators in the southwestern part of the Geysers field to increase well productivity and decrease the unit cost of steam production. 111e northwestern part of the field poses special difficulties for drilIing multiple-legged or "forked" wens, because of greater reservoir depth, higher reservoir temperatures, the need for narrower well completions, and less stable rock conditions. Three wells within the Adjacent project area of the northwest Geysers were recompleted as 2- and 3-legged producers during 1992-1993, using both existing and new methods for coping with the conditions in this part of the field. Total drilled depths of the producing legs were as much as 11,345 feet (3,458 m), and kickoff points were as deep as 7,895 feet (2,405 m) from 9-5/8-inch production casings. Reservoir temperatures in directionally drilled intervals reached in excess of 600°F (315°C).

This paper presents the initial results of a survey of the occurrence and characteristics of geopressured fluid resources in California using the publicly-available database involving more than 150,000 oil and gas wells drilled in the State. Of the 975 documented on-shore oil and gas pools studied, about 42 % were identified as potentially geopressured. Geothermal gradients in California oil and gas fields lie within the normal range of 1°F to 2 OF per 100 feet. Except for the Los Angeles Basin, there was no evidence of higher temperatures or temperature gradients in geopressured pools. The porosity of geopressured pools shows the same normal distribution as for normal pressured pools, with a mode in the range of 20 to 25 %. The salinity distribution of both the geopressured and normal pressured pools appear to be bimodal, each with two peak ranges of o to 10,000 and 25,000 to 30,000 ppm. Compared to the U. S. Gulf Coast region, geopressured pools in California display much lower water salinity, and therefore, should have a higher solubility for methane.

This paper presents the results of a numerical simulation study of the performance of Enhanced Geothermal Systems (EGS), specifically, reservoirs with subcommercial permeability enhanced by hydraulic stimulation. The performance under consideration here is the net electrical power delivered as a function of time and the parameters in this exercise reflect conditions encountered at the Desert Peak EGS project in Nevada.

This spreadsheet is a compilation of Aqueous Well Chemistry observations compiled by the California Geological Survey, published as a Web feature service for the National Geothermal Data System. The document contains 12 worksheets, including information about the template, notes related to revisions of the template, Resource provider information, the data, a field list (data mapping view), An Analyte Dictionary and a worksheet with vocabularies for use in populating the spreadsheet (data valid terms). Data from 468 wells are included.

This spreadsheet is a compilation of thermal spring temperature observations compiled by the Arizona Geological Survey, published as a Web feature service for the National Geothermal Data System. The document contains 7 worksheets, including information about the template, instructions on using the template, notes related to revisions of the template, Resource provider information, the data, a field list (data mapping view) and a worksheet with vocabularies for use in populating the spreadsheet (data valid terms). Data from 130 springs are included. Fields in the data table include ThermalSpringURI, Name, Label, OtherName, OtherIdentifier, Description, Source, SourceURI, FeatureType, LandLeaseOwner, OtherLocationName, County, State, PLSS_Meridians, Township, Range, Section, SectionPart, Parcel, UTM_E, UTM_N, UTMDatumZone, LatDegree, LongDegree, SRS, LocationUncertaintyStatement, ObservationURI, Temperature, TemperatureUnits, TempMeasurementProcedure, TempMeasurementDateTime, Flow, FlowUnits, FlowMeasurementProcedure, FlowMeasurementDateTime, MeasurementSource, FlowContinuity, Classification, RelatedWaterChemistry, DataEntrySource, RelatedResources and Remarks.

Annual report shows summary of the pumpage and fluctuations of ground water levels in Arizona in 1955. Changes discussed for individual basins and areas. Illustrations of hydrographs of individual wells, graphs showing pumpage, graphs showing precipitation, maps showing contours of water level changes.

The following matrix summarizes the water quality data and related hydraulic data available for Pima County. The matrix is based on information that PAG obtained by mailing a questionnaire to various organizations, by conducting telephone interviews, and by browsing the internet. This matrix is only a summary; the information is presented in more detail in the following section of this report, along with brief descriptions of the agencies that collect water quality data.

Summary of basic hydrologic data including current programs, surface water resources, ground water conditions, uses of and changes to ground water. Maps, graphs.

Present the results of the groundwater flow model. Description of area. Effects of increased use, effects of change in use, effects of conservation, recharge project effects.