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Friday, July 17, 2020 | History

2 edition of Creation and characterization of horizontal hydraulic fractures in oil shale found in the catalog.

Creation and characterization of horizontal hydraulic fractures in oil shale

R. L Parrish

Creation and characterization of horizontal hydraulic fractures in oil shale

by R. L Parrish

  • 242 Want to read
  • 9 Currently reading

Published by Dept. of Energy, Sandia Laboratories, for sale by the National Technical Information Service] in Albuquerque, N.M, [Springfield, Va .
Written in English

    Subjects:
  • Oil wells -- Hydraulic fracturing,
  • Oil-shales

  • Edition Notes

    StatementR. L. Parrish, Oil Shale Programs Division 4734, R. R. Neel, Advanced Development Division 4731, Sandia Laboratories, and A. Long, Laramie Enegry Technology Center ; prepared by Sandia Laboratory for the United States Department of Energy
    SeriesSAND ; 78-1595
    ContributionsNeel, R. R., joint author, Long, A., joint author, United States. Dept. of Energy, Sandia Laboratories. Oil Shale Programs Division 4734, Sandia Laboratories. Advanced Development Division 4731, Laramie Energy Technology Center
    The Physical Object
    Paginationv, 93 p. :
    Number of Pages93
    ID Numbers
    Open LibraryOL14883169M

      As unconventional tight oil reservoirs are currently a superior focus on exploration and exploitation throughout the world, studies on production performance analysis of tight oil reservoirs appear to be meaningful. In this paper, on the basis of modern production analysis, a method to estimate dynamic reserve (OOIPSRV) for an individual multistage fractured horizontal well (MFHW) in tight oil Cited by: 6. The Marcellus shale, located in the mid-Atlantic Appalachian Basin, has been identified as a source for natural gas and targeted for hydraulic fracturing recovery methods. Hydraulic fracturing is a technique used by the oil and gas industry to access petroleum reserves in geologic formations that cannot be accessed with conventional drilling.

    Multi-stage hydraulic fracturing is the key to the success of many shale gas and shale oil reservoirs. The main objectives of hydraulic fracturing in shale are to create artificial fracture networks that are conductive for oil and gas flow and extensive into the. reservoirs, shale has extremely low permeability in nanodarcy range. Horizontal well is widely used in the production of shale gas due to its higher wellbore length exposed to the formation resulting in higher gas production rates and ultimate recovery. Hydraulic fracturing which is commonly used in tight formations is a process of pumping highAuthor: Nithiwat Siripatrachai.

      REDMOND, WA.–Safe, efficient, and profitable development of shale natural gas resources depends on achieving a clear understanding of the role of natural fractures in shale gas production. Natural fracturing is critical to enhancing stimulation treatment design and optimizing well performance. Although every shale formation is somewhat different, there can be significant variations . the hydraulically fractured shale gas reservoir system. This consisted of a bounded rectangular reservoir with slab matrix blocks draining into adjoining fractures and subsequently to a horizontal well in the center. The horizontal well fully penetrates the rectangular reservoir. The features of the El-Banbi model are described below.


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Creation and characterization of horizontal hydraulic fractures in oil shale by R. L Parrish Download PDF EPUB FB2

Get this from a library. Creation and characterization of horizontal hydraulic fractures in oil shale. [R L Parrish; R R Neel; A Long; United States.

Department of Energy.; Sandia Laboratories. Oil Shale Programs Division ; Sandia Laboratories. Advanced Development Division ; Laramie Energy Technology Center.]. Abstract. Hydraulic Fracturing also known as fracking or fracing is a wells stimulation technique developed in by Stanolind Oil and aims to increase the drainage area and the performance of the same through the creation of fractures in the productive formation.

A mathematical model of multistage fractured horizontal well (MsFHW) considering stimulated reservoir volume (SRV) was presented for tight oil reservoirs. Both inner and outer regions were assumed as single porosity media but had different formation parameters.

Different flow regimes were divided based on pressure transient analysis (PTA) curves. According to rate transient analysis (RTA), the.

True tri-axial hydraulic fracturing experiment using laminated shale outcrops was performed on fracture initiation and vertical propagation behavior. The influences of multiple factors (in-situ stress, bedding planes, injection rate, fracturing fluid viscosity, etc.) on fracture vertical propagation were studies based on a series of physical Cited by: The two technologies that enable economic production of shale gas are long-lateral horizontal well drilling and multistage hydraulic fracturing.

These technologies combine to create huge reservoir contact surface area by placing multiple transverse hydraulic fractures along long horizontal by: responses of a horizontal well intercepted by multiple finitely conductive hydraulic fractures in shale gas reservoirs, incorporating desorption and diffusive flow in shale matrix.

Point source theory, Laplace transformation and numerical discrete method are employed to solve the mathematical model. Type curves are plotted by usingCited by: 3.

@article{osti_, title = {True in situ fracturing experiment--preliminary results}, author = {Stevens, A.L. and Parrish, R.L. and Turner, T.F. Jr.}, abstractNote = {A true in situ oil shale retort bed preparation experiment has been performed using an explosive slurry inserted and detonated in pre-formed horizontal hydraulic fractures.

In low primary permeability reservoirs, including tight sand or shale reservoirs, production of oil and gas is highly dependent on natural fractures and / or induced fractures created by high-pressure injection of fluid.

The horizontal extent and azimuth of these induced fractures depend on File Size: 9MB. As a typical characteristic of shale gas reservoir, the influence of microfracture system was often neglected by previous studies.

As the channel between the shale matrix and hydraulic fractures, the permeability of natural fracture has a certain effect on production behavior of fractured horizontal wells, which can be seen from Figure 9.

As we Cited by: 4. Shale gas reservoir modeling. Given the complex nature of hydraulic fracture growth and the very low permeability of matrix rock in shale gas reservoirs, coupled with the predominance of horizontal completions, reservoir simulation is a preferred approach to predict and evaluate well by: The simulation of horizontal wells with stage hydraulic fractures was conducted in a shale reservoir containing a wide spectrum of rock and fluid types, dry gas to gas-condensate, and oil.

Request PDF | Sensitivity Studies of Horizontal Wells with Hydraulic Fractures in Shale Gas Reservoirs | Producing natural gas from shale gas reservoirs has gained momentum over the past few years.

Organic shale reservoirs have very low matrix permeabilities. An extensive conductive hydraulic fracture network is necessary to impose a pressure drop in the formation to produce hydrocarbons at an economic rate. In addition, horizontal wells permit the initiation of multiple hydraulic fractures within the reservoir section of the organic by: Hydraulic fracturing and horizontal wells are not new tools for the oil and gas industry.

The first fracturing experiment was in and the process was accepted as commercial by The first horizontal well was in the ’s and horizontal wells were common by the late ’s.

Millions of fracs have been pumped (Society of. Static characterization of fractures Being able to understand interactions between natural fractures and hydraulic fracturing implies to know perfectly the state of the formation before stimulation.

FracaFlow is recognized by industry as a leading tool to study and model any type of fractures. Realistic geological models with thousands ofFile Size: 1MB.

Abstract. This paper reports the development and application of production performance decline analysis techniques that are applicable for the characterization of the well and reservoir properties of low permeability fractured shale gas or oil reservoirs which are completed with horizontal wells intersected by multiple, transverse, finite-conductivity, vertical by: 2.

Hydraulic fracturing or fracture stimulation establishes conductive fractures hydraulically from a horizontal well in the tight formation/reservoir.

They provide large surface area contact with the formation and thus facilitate the production of oil and gas, as evident from the experience in North Americas [ 1 ].Cited by: Hydraulic fracturing is indeed relevant to Indiana and has been since it began to be used in the early ’s.

Indiana oil and gas operators continue to utilize hydraulic fracturing to complete wells when they believe the method will increase the productivity of a well. File Size: 2MB. Natural Fractures in Shales: Origins, Characteristics and Relevance for Hydraulic Fracture Treatments* Julia F.

Gale1 Search and Discovery Article # () Posted Octo *Adapted from oral presentation at AAPG Annual Convention, San Antonio, TX, April Crude oil or condensate is stored in tanks, then trucked out. Natural gas is piped out. Sandstone Sand or ceramic proppant pumped into the shale fractures hold them open so the natural gas can escape.

Water used in the fracturing process is transported by tanker trucks or pipelines. Shale is a fine-grained sedimentary rock formed in thin layers. a fractured horizontal well in closed rectangular shale gas reservoir.

In order to make the problem more tractable, we assume that all hydraulic fractures are transverse and fully penetrated along the well and the orientation of horizontal well is distributed along the # coordinate; all the fractures arein niteconductivityandneglectthe uid owfrom.Hydraulic Fracturing in Unconventional Reservoirs: Theories, Operations, and Economic Analysis introduces the basic characteristics and theories surrounding hydraulic fracturing and the main process of fracturing in shale, including the main workflow, the details in case analysis, and the fundamental differences between theory, study, and practical operation.

As shown in hydraulic fracture monitoring, the hydraulic fracture path in naturally fractured shale reservoirs is complex, and the method for describing the propagation of fractures in homogeneous sandstone cannot achieve sufficient accuracy when used in shale reservoirs.

In this study, a discrete fracture network model is proposed by performing a Monte Carlo simulation on the fracture Cited by: