Last edited by Malalrajas
Friday, August 7, 2020 | History

2 edition of Design of a water jet drill for development of geothermal resources ... found in the catalog.

Design of a water jet drill for development of geothermal resources ...

David A Summers

Design of a water jet drill for development of geothermal resources ...

by David A Summers

  • 35 Want to read
  • 7 Currently reading

Published by Energy Research and Development Administration, Technical Information Center, for sale by the National Technical Information Service in Oak Ridge, Tenn, Springfield, Va .
Written in English

    Subjects:
  • Jet cutting,
  • Drilling and boring machinery

  • Edition Notes

    StatementDavid A. Summers and Dwight J. Bushnell
    ContributionsBushnell, Dwight J, 1944-, United States. Energy Research and Development Administration. Technical Information Center
    The Physical Object
    Paginationv. :
    ID Numbers
    Open LibraryOL14894543M

    Geothermal project duration guidelines (Example, ESMAP Geothermal handbook) •Most guidelines or literature assume Years for project Activity/Phase Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Preliminary survey Exploration Test drilling Project review and planning Field development Construction Start-up and commissioing.   High temperature geothermal drilling depends on the formation pressure and collapse pressure, the safe mud window is very narrow, suitable for pressure balance or underbalanced drilling, we design a simple structure, high speed, good heat resistance rotary blowout preventer (RBOP), which can increase the operability of geothermal wells balanced.

      Many geothermal projects are located in seismically active zones, and drilling through faults can have consequences like the accident in Switzerland. Most of the earth's easily accessible geothermal resources have already been exploited so the remaining resources are only becoming more and more dangerous to access. For drilling and construction, consider Temporary Change in Manner of Use or Point of Diversion • Using agricultural or stock water for other purposes • Often necessary if purchasing water from rancher or other water rights holder for uses other that those originally permitted • Drilling • Construction dust suppression • Road maintenance.

    WATER USE IN THE DEVELOPMENT AND OPERATION OF GEOTHERMAL POWER PLANTS C.E. Clark, C.B. Harto, J.L. Sullivan, and M.Q. Wang. EXECUTIVE SUMMARY. Geothermal energy is increasingly recognized for its potentialto reduce carbon emissions and U.S. dependence on foreign oil. Energy and environmental analyses are critical to. Clear Grease, Sand, Sludge, and Ice w/Water Jet The powerful JM Jet-Set (R) electric water jet gives you as much pressure as you can get from an electric jet. It generates psi at gallons per minute, yet only pulls 13 amps. It 's powered by a /2 hp dual capacitor enclosed motor with an in-line ground fault circuit interrupter.


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Design of a water jet drill for development of geothermal resources .. by David A Summers Download PDF EPUB FB2

@article{osti_, title = {Design of a water jet drill for development of geothermal resources. Annual progress report, June 1, }, author = {}, abstractNote = {Research was expanded to the drilling of crystalline rock. Advance rates of 40 inches per minute have been achieved at 16, psi, 10 gpm flow rate in a 30, psi compressive strength rock using the water alone.

Get this from a library. Design of a water jet drill for development of geothermal resources. [David A Summers; Dwight J Bushnell; United States. Energy Research and Development Administration. Technical Information Center.]. @article{osti_, title = {Design of a water jet drill for development of geothermal resources.

Progress report, June 1, Janu }, author = {Summers, D.A. and Bushnell, D.J.}, abstractNote = {The initial experimentation leading to the design of a water jet drilling device is described. The effect of change in nozzle design on cutting rate is : D.A.

Summers, D.J. Bushnell. Water jet drilling of rock is shown to be a feasible method for potential improvement in gaining access to the earth's resources. Drilling rates of up to in./min in sandstone and 40 in./min in granite have been achieved.

While the addition of polymers to the jet stream is found advantageous the low (15%) level of improvement and the difficulty in maintaining concentrate negated further Author: David A.

Summers, Terry F. Lehnhoff. The design of a water jet drill for development of geothermal resources. Final report. Water jet drilling of rock is shown to be a feasible method for potential improvement in gaining access to the earth's resources.

Drilling rates of up to in./min in sandstone and 40 in./min in granite have been achieved. While the addition of Author: David A.

Summers, Terry F. Lehnhoff. The design of a water jet drill for development of geothermal resources. Final report Water jet drilling of rock is shown to be a feasible method for potential improvement in gaining access to.

A History of Geothermal Energy Research and Development in the United States | Drilling ix DRILLING Preface In the s, the publicly available information about geothermal systems was woefully inadequate. The understanding of geothermal resources and the means for their optimum development was primitive.

Much of the extant information was. prototype turbine motor and several jet-assisted drill bits for geothermal applications. The work included the development of bearings and seals that allow high-pressure turbine operation at ultra-high rotary speed. The engineering prototype tool was used to drill samples of granite basalt and cement.

Tests with a jet assisted PDC bit met the. RADIAL JET DRILLING The SURE project (Sustainable Utilization of a Geothermal Resource) investigates radial water jet drilling (RJD) technology as a tool to stimulate poorly performing geothermal wells.

A high pressure water jet is used to cut a slim-hole lateral from an existing well into the reservoir, with a length of up to meters. Philippines: Drilling for geothermal resources in the Philippines has extended over a period of more than two decades. The majority of all geothermal drilling has been carried out by the Philippine National Oil Company (PNOC).

The depth of PNOC wells drilled up to is shown in Figure 2 (Southon, ). The average depth of these wells is. Download Citation | On Jan 1,John T. Finger and others published Geothermal Resources, Drilling for | Find, read and cite all the research you need on ResearchGate.

Keywords: geothermal, complacency, drilling, situation awareness, training, simulator ABSTRACT One of the major challenges with developing geothermal resources is high drilling cost. Most of drilling training programs are focused on conventional systems, leaving at side specific aspects of geothermal drilling activities.

drilling in aqueous media at the high borehole pressures encountered in deep geothermal drilling. In this study, an electrically heated hydrothermal jet was impinged on the surface of cylindrical Barre Granite samples (basement rock) contained in a hydrothermal autoclave reactor. SERVICES PROVIDED BY GHC Technical assistance – direct-use, small scale electric power generation and geothermal heat pumps.

Feasibility studies – both engineering and economic Information dissemination – Quarterly Bulletin, technical papers, and conferences proceedings. Data bases – 12, well/springs in 16 western states. Outreach – training, speakers, booths, and site visits.

water from hot springs and geophysical techniques commonly used by the mining industry. With advances in seismic techniques, reflection seismic surveys are increasingly being used. Geothermal drilling relies on technology used in the oil and gas industry modified for high temperature applications and larger well diameters.

DRILLING FLUID DESIGN FOR GEOTHERMAL WELLS George Moshe Dayan Kenya Electricity Generating Company Ltd. – KenGen P.O. Box Naivasha KENYA [email protected], [email protected] ABSTRACT Drilling is a key process in the development of geothermal resources, whether at the exploration stage or in a fully developed field.

Geothermal Resource Group, Inc. was founded in to provide drilling engineering and supervision services to geothermal energy operators worldwide. Since it’s inception, GRG has grown to include a variety of upstream geothermal services, from exploration management to resource assessment, and from drilling.

Drilling, therefore, is a major component of any geothermal project’s development. This entry describes the overall process of drilling, with emphasis on the ways in which geothermal drilling differs from other kinds of drilling, such as that for oil and gas.

Drilling and exploration for deep geothermal resources is expensive. Wells exceeding a depth of 20, feet are not uncommon, plus the inherent nature and chemical quality of the superheated fluid and steam requires design and operating considerations far beyond that needed for a typical water.

Geothermal drilling equipment typically does not drill any less than feet, as this can be done by traditional potable water well drill rigs. As a rule of thumb, assume that feet of well depth can provide you with square feet of HVAC in your home.

The environmentally friendly practice of offering heating and cooling solutions by harnessing the earth's geothermal energy is a growing industry. As a definite industry standout, Di-Corp is one of very few suppliers that cater to the Geothermal Drilling and Installations market.

Di-Corp provides any and all of the products and supplies required by this enormous market segment.drilling project include running of casings, casing cementing, wireline operations (logging), directional Lecturers: Anthony Ng‘ang‘a Ngigi, Geothermal Development Company, Kenya Carine Chatenay, Verkís Consulting Engineers, Iceland Peketsa Mwaro Mangi, Kenya Electricity Generating Company, Kenya.Keywords: geothermal, drilling fluids, aerated drilling INTRODUCTION development and breakdown of the formation and DRILLING WITH WATER Water as a drilling fluid was, in the past, used to continue drilling past an unsealable loss zone and for.

Dubrovnik, Croatia.