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Sunday, November 15, 2020 | History

2 edition of Effects of stimulation treatments on coalbeds and surrounding strata found in the catalog.

Effects of stimulation treatments on coalbeds and surrounding strata

W. P. Diamond

Effects of stimulation treatments on coalbeds and surrounding strata

evidence from underground observations

by W. P. Diamond

  • 74 Want to read
  • 12 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in Pittsburgh, Pa .
Written in English

    Subjects:
  • Coalbed methane drainage.,
  • Boring.

  • Edition Notes

    Bibliography: p. 45-46.

    Statementby William P. Diamond and David C. Oyler.
    SeriesReport of investigations / United States Department of the Interior, Bureau of Mines ;, 9083, Report of investigations (United States. Bureau of Mines) ;, 9083.
    ContributionsOyler, David C.
    Classifications
    LC ClassificationsTN23 .U43 no. 9083, TN305 .U43 no. 9083
    The Physical Object
    Paginationii, 48 p. :
    Number of Pages48
    ID Numbers
    Open LibraryOL2345997M
    LC Control Number86607907

      Subcallosal Cingulate Gyrus Deep Brain Stimulation For Treatment-Resistant ical Psychiatry, 64, Retrieved Novem Sjöberg, R., & Blomstedt, P. (). The psychological neuroscience of depression: Implications for understanding effects of deep brain stimulation. Scandinavian Journal of Psychology, 52,


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Effects of stimulation treatments on coalbeds and surrounding strata by W. P. Diamond Download PDF EPUB FB2

@article{osti_, title = {Effects of stimulation treatments on coalbeds and surrounding strata. Evidence from underground observations}, author = {Diamond, W P and Oyler, D C}, abstractNote = {This Bureau of Mines report examines the coal mine roof damage potential of stimulation treatments.

Vertical fractures in the coalbed were discernible for most treatments, and horizontal fractures. Get this from a library. Effects of stimulation treatments on coalbeds and surrounding strata: evidence from underground observations. [W P Diamond; David C Oyler].

Stimulated vertical boreholes are an effective means of removing gas from coalbeds in advance of mining. This Bureau of Mines report examines the coal mine roof damage potential of stimulation treatments.

Twenty-two government-sponsored stimulation treatments have been mined through to determine the effects on the coalbed and roof strata. Effects of stimulation treatments on coalbeds and surrounding strata [Report of ~nvestlgat~ons, B~bl~ogrdphy p Supt of Docs no 1 2R 23 1 Coalhed methane dra~nage 2 Bor~ng I Ovler I)avld C I1 T~tle Ill Ser~es Report of ~nvestlgations [Un~ted States Bureau of Mlnesl TN2B.U43 ITN s '81 "Stimulated vertical boreholes are an effective means of removing gas from coalbeds in advance of mining.

This Bureau of Mines report examines the coal mine roof damage potential of stimulation treatments. Twenty-two government-sponsored stimulation treatments have been mined through to determine the effects on the coalbed and roof strata.

Effects of stimulation treatments on coalbeds and surrounding strata: evidence from underground observations / By W. (William P.) Diamond and David C. Oyler Abstract. Diamond, W.P. and Oyler, D.C. () Effects of stimulation treatments on coalbeds and surrounding strata, USBM report RI Elder, C.H.

() Effects of hydraulic stimulation on coalbeds and associated strata, USBM report RI ri / effects of stimulation treatments on coalbeds and surrounding strata, evidence from underground observations, pb, $ 24 ri / recovery of cobalt from spent copper leach solution using continuous ion exchange, pb, $ 6 ri / three-dimensional shield mechanics, pb, $ Cleats are systematic, natural fractures in coal seams.

They account for most of the permeability and much of the porosity of coalbed methane reservoirs and can have a significant effect on the success of hydraulic fracturing stimulation.

Laboratory hydraulic fracturing experiments were conducted on coal blocks under true tri-axial stress to simulate fracturing stimulation of coal seams. SPE[5] DIAMOND W P, OYLER D C. Effects of simulation treat- ments on coalbeds and surrounding strata: Evidence from un- derground observation.

Pittsburgh: US Department of the In- terior, [6] JEFFREY R G, Jr, BRYNES R P, LYNCH P J, et al. The effect of connectivity between HF and aquifer on CBM production is studied. • Dual porosity model with sandstone, coal seams, and HFs is firstly built.

• Production data from a field vertical CBM well is history matched. • History matching results justify the extension of HF into sandstone. Stimulation was performed following withdrawal of medication overnight and was delivered by a Nicolet Viking IIe with the patients at rest.

We did not examine the effects of stimulation on the motor state in this study as we wished to avoid the possible confound of movement-related desynchronisation in the 11–Hz band (Cassidy et al., Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence from Underground Observations Methane Control by Isolation of a Major Coal Panel - Pittsburgh Coalbed Rotary Drilling Holes in Coalbeds for Degasification.

"Stimulated vertical boreholes are an effective means of removing gas from coalbeds in advance of mining. This Bureau of Mines report examines the coal mine roof damage potential of stimulation treatments. Twenty-two government-sponsored stimulation. Effects of stimulation treatments on coalbeds and surrounding strata: evidence from underground observations "Stimulated vertical boreholes are an effective means of removing gas from coalbeds in advance of mining.

This Bureau of Mines report examines the coal mine roof damage potential of stimulation treatments. Twenty-two government. Recent underground observations of intercepted hydraulic stimulations in coalbed methane drainage wells. SME-AIME Fall Meeting, Albuquerque, New Mexico, October, Preprint Number Diamond W.

R, Oyler D. Effects of stimulation treatments on coalbeds and surrounding strata -- evidence from underground observations. Evidence of stimulation fluid movement could generally be traced beyond the maximum extent of sand-filled fractures when fluorescent paint was added to the treatment fluids.

View Show abstract. During development of pharyngeal electric stimulation (PES), a study in healthy volunteers 8,9 suggested that PES should be delivered at 5 Hz for 10 minutes with an electric current of threshold plus 75% of the difference between threshold and tolerance levels, a paradigm that produced the largest effect on brain excitability.

8,10 Using this. INTRODUCTION. Muscle tone is defined as the resistance of muscle being passively lengthened 1).Abnormal muscle tone occurs in disorders of central nervous system and can affect up to two-thirds of patients with stroke 2).Especially, it is a common motor disorder following stroke, which may require rehabilitation 3).A hypertonus state leads to involuntary muscle contractions that interfere with.

Soekadar SR, Arfeller C, et al. Theta burst stimulation in the treatment of incapacitating tinnitus accompanied by severe depression. CNS Spectr. ; 14 (4)– Stagg CJ, Wylezinska M, et al. Neurochemical effects of theta burst stimulation as assessed by magnetic resonance spectroscopy. J Neurophysiol.

; (6)– Detecting Strata Fracturing and Roof Failures from a Borehole Based Microseismic System Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence from Underground Observations Removing Methane (Degasification) from the.

Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence from Underground Observations. Bureau of Mines, Report of investigation US Department of the Interior. @article{osti_, title = {Vertical borehole design and completion practices used to remove methane gas from mineable coalbeds}, author = {Lambert, S W and Trevits, M A and Steidl, P F}, abstractNote = {Coalbed gas drainage from the surface in advance of mining has long been the goal of researchers in mine safety.

Bureau of Mines efforts to achieve this goal started about with the. The effect of combined use of botulinum toxin type A and functional electric stimulation in the treatment of spastic drop foot after stroke: a preliminary investigation.

Arch Phys Med Rehabil. ; – Crossref Medline Google Scholar; Higgins JPT, Sally. Well treatment is another method of ensuring the efficient flow of hydrocarbon derivatives out of a formation.

Essentially, this type of well stimulation consists of injecting acid, water, or gases into the well to open up the formation and allow the crude oil to flow through the formation more easily. Acidizing a well consists of injecting.

Hydraulic fracturing is routinely applied to stimulation of oil, gas, and coalbed methane wells around the world. The stimulation effect is achieved in coal seams as in other reservoirs, by producing a conductive fracture, connecting the well to the coal reservoir. The conductivity of the.

The NMES group received 30 minutes of stimulation per day 5 days per week for 3 weeks by a swallowing therapist with Vitalstim certification using Vitalstim ® (AP; DJO Company, USA) for a total of 15 treatments.

Referring to Freed et al., the electrodes were attached to the mylohyoid and thyrohyoid muscles, the frequency of vibration was set at 80 Hz with a width of ms, and the wave.

• USBM RI EFFECTS OF STIMULATION TREATMENTS ON COALBEDS AND SURROUNDING STRATA -Evidence From Underground Observations by Pat Diamond & David Oyler –“No roof falls or adverse mining conditions were encountered that could be attributed to the stimulations” • CSIRO: Sand propped Hydraulic fracture stimulation of horizontal in-seam.

Effects of Stimulation Treatments on Coalbed sand Surrounding Strata—Evidence from Underground Observations. U.S. Bureau of Mines RI Directorate General of Hydrocarbons. An alternative approach is to consider the “principal strata effect” or “survivor average causal effect” (SACE), defined as the effect of treatment on the outcome among the subpopulation that would have survived under either treatment arm.

The authors describe a very simple technique that can be used to assess the SACE. CHAPTER 4. HYDRAULIC FRACTURING FLUIDS Introduction Types of Fracturing Fluids and Additives Gelled Fluids Foamed Gels Water and Potassium Chloride Water Treatments Acids Fluid Additives Proppants The Fate and Transport of Stimulation Fluids Injected into Coal and Surrounding Rock During Hydraulic.

Diamond W.P., Oyler D.C.: Effects of stimulation treatments on coalbeds and surrounding strata. Evidence from underground observations.

USBM Rept. of Investig.no Abstract book of workshop, Szczyrk March (niepublik.). Reznik A.A., Singh P.K., Foley W.L.: An analysis of the effect of CO2 injection on recovery of in. Diamond WP, Oyler DC () Effects of stimulation treatments on coalbeds and surrounding strata: evidence from underground observations.

Pittsburgh Research Center, Bureau of Mines Open-File Report, pp 1– Google Scholar. Effects of Prudhoe Bay Reserve pit fluids on water quality and macroinvertebrates of Arctic tundra ponds in Alaska / (Washington, DC: Fish and Wildlife Service, U.S. Dept. of Interior, ), by Robin Lea West, Elaine Snyder-Conn, and U.S.

Fish and Wildlife Service (page images at HathiTrust) Composition and properties of oil well drilling fluids. Objectives: To gather information pertaining to the hydraulic stimulation process and supply the mining industry with a sound basis for decisions.

Specifically, perform underground measurements and inspection of areas affected by stimulation treatment, determination of changes in mine roof integrity, and refinement of stimulation treatment design.

Effects of stimulation treatments on coalbeds and surrounding strata. Book. Jan ; W. Diamond we draw on sociological research to highlight some of the ongoing technological risks. William P. Diamond and David C. Oyler, “Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence From Underground Observations,” RIBureau of Mines Report of Investigations, (53 pages).

The effect of surface electrical stimulation on hyolaryngeal movement in normal individuals at rest and during swallowing. J Appl Physiol.

Dec ;(6) Bogaardt H, van Dam D, Wever NM, Bruggeman CE, Koops J, Fokkens WJ. Use of neuromuscular electrostimulation in the treatment of dysphagia in patients with multiple sclerosis. Experimental investigation on fracture initiation and non-planar propagation of hydraulic fractures in coal seams: TAN Peng 1, JIN Yan 1, HOU Bing 1, HAN Ke 1, ZHOU Yingcao 2, MENG Shangzhi 3: 1.

State Key Laboratory of Petroleum Resources and Engineering, China. Hydraulic fracturing (HF) has been widely used in the oil & gas (O&G) and mining industry: in O&G to stimulate reservoirs [] and in mining, primarily to initiate caving and to improve fragmentation (e.g.

[]).Attempts have also been made to initiate slip on faults or shears [] and research including mine-backs of hydraulically fractured zones has been conducted [6,7] in order to better. Although removal of water from coalbeds during CBM operations may induce some degree of leakage of water over time into the coalbeds from surrounding finer-grained rocks and potentially from other aquifers through deep fracture zones, CBM water at depth does not appear to be a “renewable” resource in the San Juan and Raton basins, based on.ri / effects of hydraulic stimulation on coalbeds and associated strata, pb, $ 29 ri / factors affecting fabricability of electrowon copper, pb, $ 14 ri / methane accumulations in coal mine roof cavities, pb, $ 25 ri / carbon-in-pulp silver adsorption .An important aspect in drilling frontier or appraisal wells is to keep the drilling procedures relatively simple.

For example, water-based drilling fluids may be more damaging to the coals than air or gas drilling, but they are safer in the event of a gas kick, and the damage can be mitigated by fracture stimulation.