An Overview of Horizontal-Well Completions in the Haynesville Shale

Thompson, John W.; Fan, Liping; Grant, Dee; Martin, Ron B.; Kanneganti, Kousic; Lindsay, Garrett

doi:10.2118/136875-pa

Cited by 33 publications

(7 citation statements)

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“…Various completion types have been used for horizontal wells, including open hole, cased hole with cemented screens, pre-drilled or slotted liners, and various inflow control devices (Aljubran and Horne 2020;Furui et al 2007;Thompson et al 2011). Most of these allow little or no control over fluid inflow after they are installed.…”

Section: Deviated or Horizontal Wellsmentioning

confidence: 99%

Water shutoff and conformance improvement: an introduction

2021

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This paper provides an introduction to the topic of water shutoff and conformance improvement. After indicating the volumes of water produced during oilfield operations, a strategy is provided for attacking excess water production problems. Problem types are categorized, typical methods of problem diagnosis are mentioned, and the range of solutions is introduced for each problem type. In the third section of the paper, the concept of disproportionate permeability reduction is introduced—where polymers and gels may reduce permeability to water more than to oil or gas. When and where this property is of value is discussed. The fourth section describes the properties of formed gels as they extrude through fractures and how those properties can be of value when treating conformance problems caused by fractures. Section 5 covers the efficiency with which gels block fractures after gel placement—especially, the impact of fluids injected subsequent to the gel treatment.

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Section: Deviated or Horizontal Wellsmentioning

confidence: 99%

Water shutoff and conformance improvement: an introduction

2021

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“…2. Production strategy: Restricted rate flow-back programs with controlled drawdown is applied to reduce proppant embedment, fines migration, and proppant crushing (Thompson et al, 2011;Cadotte et al, 2017;.…”

Section: Connecting Geology Geomechanics Geochemistry and Engineering In The Caney Shale Toward Economically Optimized Safe And Environmementioning

confidence: 99%

Multiscale Characterization of the Caney Shale — An Emerging Play in Oklahoma

Wang

Luo²,

Achang³

et al. 2021

MidConGeo

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From a hydrocarbon perspective, the Caney Shale has historically been evaluated as a sealing unit, which resulted in limited studies characterizing the rock properties of the Caney Shale and its suitability for hydraulic fracturing. The objective of our research is to help bridge the current knowledge gap through the integration of multiscale laboratory techniques and to characterize the macro- and microscale rock properties of the Caney Shale. We employed an integrated approach for the characterization of the Caney using 200 ft (61 m) of Caney core from a target well in southern Oklahoma. Core observation and petrographic analysis of thin sections were combined to characterize the general rock types and associated fabrics and textures. Mineralogical composition, pore system architecture, and rock fabric were analyzed using x-ray diffraction (XRD), scanning electron microscopy/energy dispersive x-ray spectroscopy (SEM/EDS), and focused ion beam (FIB)-SEM. In addition, rebound hardness and indentation testing were carried out to determine rock hardness (brittleness) and elasticity, respectively. With the integrated multiscale characterization, three mixed carbonate-siliciclastic rock types were identified — mudstone, calcareous siltstone, and silty carbonate — likely representing a spectrum of deposition from low to relatively high energy environments in the distal portions of a ramp system. Silty carbonate contains mostly interparticle pores. The calcareous siltstones and silty mudstones contain a combination of organic matter pores and interparticle pores. Each of the rock types shows unique mineralogical compositions based on XRD. The mudstone lithofacies has the highest clay content and the least carbonate content. Calcareous siltstones show moderate carbonate and clay content. Silty carbonate indicates the highest carbonate content with the least clay content. In an order of mudstone, calcareous siltstone, and silty carbonate, rebound hardness and Young’s modulus show an increasing trend. As a result of rock-fluid interactions, there are potential scaling reactions during completion and production that could ultimately affect permeability and production rates. Overall, the proposed multiscale integration approach is critical for the geologic characterization of most rocks. However, in shale reservoirs dominated by microporosity and microstructure where engineered fractures are expected to provide permeability at a reservoir scale, successful integration is essential. An optimized, integrated geological characterization of the Caney Shale that is well aligned with the engineering designs in drilling, completing, and producing wellbores will ultimately lead to optimal production while providing safe and environmentally responsible operations.

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“…Perforation design has clusters that are 2 feet to 5 feet long with 6 shots per foot on 60 degree phasing and 50 feet to 150 feet per cluster. Typical stages are 2 to 4 per 1,000 feet of lateral bore (Fan, 2010;Pope, 2009;Thompson, 2011). • The Marcellus Shale ranges from 50 feet to 300 feet thick at depths of 7,000 to 10,000 feet.…”

Section: Applicability To Different Areasmentioning

confidence: 99%

Flow Isolation Tube for Milling and Sand Jet Perforating

Dotson¹,

Farr²,

Tucker³

2012

SPE Eastern Regional Meeting

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Sand jet perforating (SJP) is currently gaining acceptance in unconventional resource plays where horizontal development has shown the need for methods to perforate these formations. This paper examines a new design for a tool assembly that allows fluid to flow through the sand jet perforator while operating a PDM (Positive Displacement Motor) with a mill or cutting tool. In multi-stage fracturing operations where through tubing mills are often used for cleanout runs prior to perforating, the flow isolation tube assembly can be added to the tool string to achieve cleanout in conjunction with perforating in one trip. The design allows an operator to isolate the SJP tool, which is resident in the work string and perforate casing and formation, then restore flow to the PDM to continue operations such as milling or further well cleanoutall in a single trip.Discussion of the assembly design process and laboratory testing results are included as a part of the paper and will analyze the effectiveness of the technology and tools as well as the economic impact of this type of program. Economics includes process costs as well as cost savings from support equipment that is gained by the combination of operations. The program's translation to other shale plays like the Marcellus, Bakken, and Haynesville are also discussed.Shale plays dominate domestic drilling as well as production today and being able to combine completion operations to save both time and money is of interest to all producers. Using the flow isolation tube assembly will save cost and wear for coil tubing units as well as costs for other surface support equipment. Finally, safety is increased and the quality of the perforations is improved with SJP; giving a better perforating job for a lower cost.

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An Overview of Horizontal-Well Completions in the Haynesville Shale

Cited by 33 publications

References 0 publications

Water shutoff and conformance improvement: an introduction

Water shutoff and conformance improvement: an introduction

Multiscale Characterization of the Caney Shale — An Emerging Play in Oklahoma

Flow Isolation Tube for Milling and Sand Jet Perforating

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