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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168971-MS
... Abstract The application of NMR methods to evaluate the fluid content in hydrocarbon reservoirs requires the understanding of the NMR response of the fluids present in the rock. The presence of multiple fluids which can be in liquid, gaseous or adsorbed phase in nanometer size pores (associated...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168974-MS
... flow assumption required for validity of the basic Arps’ model, which restricts its application in ultra-low permeability reservoirs exhibiting long-duration transient flow. These new decline curve analysis (DCA) methods are still ordinarily applied only to rate-time data, and thus rely...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168981-MS
... permeability transient linear flow boundary condition application determination equation Introduction Multi-fractured horizontal wells (MFHWs) are currently the most effec t ive method to exploit reservoirs with extremely low permeability. The dominant flow regime observed for many MFHWs producing...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168997-MS
... a means to visualize the propagation of the drainage volume. The applications of the drainage volume visualization for unconventional reservoirs were demonstrated by Xie et.al. (2012a , b ) and Zhang et.al. (2013) . To calculate the well performance based on the drainage volume and the DTOF, Xie...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168996-MS
..., proppant crushing from high closure stresses or use of low-quality fracturing sand, or embedment/intrusion of formation materials into the proppant pack. This paper describes the development and field applications of a new well stimulation method for generating stable and highly conductive channels within...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-154831-MS
... Abstract The application of hybrid bits saves the operator drilling time by out-drilling conventional roller-cone and fixed-cutter bits in the difficult Marcellus shale surface interval. This interval comprises interbedded sandstone, shale, and siltstone down to 600-1,200 ft. deep. Historically...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155614-MS
... pressure transient testing diagnostic plot fracture half-length pressure transient analysis drillstem/well testing fraction 0 application wattenbarger drillstem testing compressibility psi -day conductivity upstream oil & gas unconventional reservoir reservoir pressure society...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143666-MS
... that couples the traditional decline-curve analysis with a probabilistic forecasting frame. The stretched-exponential production decline model (SEPD) underpins the production behavior. Our recovery appraisal workflow has two different applications: forecasting probabilistic future performance of wells...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143710-MS
... performed without seeing any pressure stabilization. The applicability of pressure extrapolation to these tests has not been systematically investigated. Thus, reliable average reservoir pressure estimates require much longer well shut-in times in order to perform meaningful gas material balance. Since...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144036-MS
... application of the 3R philosophy—reduce, reuse and recycle. The following sequence of phases constitutes the work program and results for this project. This progression of program elements is similar to most other holistic approaches documented in previous SPE reports ( Browning and Seaton 2005 ; Greaves...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143940-MS
... fracturing radio frequency identification completion string complex reservoir pressure pulse completion equipment intervention spe 143940 shale gas upstream oil & gas rfid operation packer society of petroleum engineers application battery depletion frac sleeve production rate rfid tag...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144030-MS
... and several considerations must be taken into account. In addition, detailed torque and drag analysis along with a comprehensive analysis of hydraulics programs must be performed to ensure the down hole equipment used for the application meets the challenging requirements. One of the most important...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144253-MS
... is implied by many reported approaches, measurement of permeability of porous rock is not a simple matter of application of Darcy's law for calculation of permeability using data obtained from flow tests with cores, drill cuttings, and other types of rock samples. A direct application of Darcy's law without...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144416-MS
... power section drill string assembly weight transfer drilling agitator device steve barton application penetration vibration Introduction Abstract High friction of the drill string against the wellbore has become a concern in the process of drilling, irrespective of whether...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144436-MS
..., most notably shale, often yields ambiguous results due to invalid assumptions. Depending on the application of DCA, these forecasts, with constant hyperbolic decline exponent (‘b-value’) assumptions, have proven to be either overly optimistic or overly pessimistic. The applicability of the Arps method...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144365-MS
... conditions. Furthermore, the streamline approach is visual, intuitive and allows us to examine the interactions between the hydraulic fractures, reservoir heterogeneity and the implications on the drainage volumes and EUR calculations. A field example is presented to demonstrate the application of our...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144338-MS
... dual porosity finite-difference simulation and demonstrate its application to optimize well placement. Our approach relies on a high frequency asymptotic solution of the diffusivity equation and emulates the propagation of a ‘pressure front’ in the reservoir along gas streamlines. The proposed approach...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144357-MS
... as the geological and fluid characteristics. Rate-transient analysis (modern decline analysis) techniques are also more rigorous and have been expanded and adapted to fit the uniqueness of shale gas production. Application of each method for shale gas is discussed, including methods and limitations. These two...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136801-MS
... development. The application of an onsite SMA to proppant during a frac job can provide operators with additional options when the desired proppant is not available. It also allows for varying degrees of flexibility during onsite job redesign and execution. This technology can help keep a completion program...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136807-MS
... conventional friction reducer conh 2 new friction reducer spe 136807 polymer hydraulic fracturing loading permeability oxidizer breaker society of petroleum engineers reducer friction reducer ammonium persulfate formation damage application proppant fresh water fracture Background...

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