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Keywords: permeability
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4029160-MS
... rate transient analysis (RTA) in a semi-automated fashion using public data. The main objective is to have an initial calibration of reservoir properties, such as relative permeability, and an enhanced, physics-based method for production forecasting. Numerical RTA is applied to approximately 100 wells...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043117-MS
... fracturing operations. Introduction Multi-fractured horizontal wells (MFHWs) are commonly applied to the development of low-permeability unconventional reservoirs, with the number of fracturing stages and stimulation treatments generally increasing over time. A very popular fluid choice for hydraulic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4015915-MS
... resistivity overlay unconventional reservoir lithology bin porosity permeability unconventional resource technology conference phit URTeC:4015915 NMR Interpretations in Unconventional Reservoirs - Application to Quality Control and Guide for Log Calculated Total Water Saturations in the Texas...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4035176-MS
...URTeC: 4035176 Permeability Variation During CO2 Pre-Fracturing in Shale Reservoir: A Case Study of Junggar Basin Weiyu Tang*1, Fujian Zhou1, longqiao Hu1, Guopeng Huang1, Lizhe Li1, 1. China University of Petroleum-Beijing. Copyright 2024, Unconventional Resources Technology Conference (URTeC) DOI...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4029346-MS
...-dominated determines its magnitude: a slower transition yields a higher b-factor, whereas a faster transition results in a smaller b-factor. Reservoir properties and completion design elements play a significant role in influencing the duration of flow regimes. For instance, reservoir permeability, well...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043244-MS
..., bottom hole pressure gauges, and production results from two generations of wells by changing bulk permeability, relative permeability, stress, horizontal toughness, vertical toughness, effective tensile strength, pressure dependent permeability, and time dependent conductivity to match observations...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043501-MS
... in the proposed approach. Step 1 gathers the well s data. In step 2, we define the declinecurve model to be used. Step 3 applies DCA and Rapid RTA techniques. The outputs of step 3 are the fracture half-length and effective permeability derived from model s production history-matches. Step 4 generates synthetic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4037963-MS
... (AEs) concurrently using an array of sixteen 1 MHz piezoelectric transducers. The AEs were used to estimate the events hypocenter location and their attributes. After fracturing, vertical plugs were taken along the main fracture and used for permeability measurements. We imaged the fractures using...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043567-MS
.... Finally, the recommended workflow is applied to multiphase wells, where the calibration process is demonstrated. Introduction It has been known for a long time that to obtain a power-law transitional behavior such as that seen in unconventional wells, the product of permeability and area perpendicular...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4038756-MS
... sizing and estimating required gas volumes. URTeC: 4038756 2 Introduction Understanding production mechanisms and recovery factors in low permeability (< 0.1 md) tight oil reservoirs presents several unique challenges in terms of production strategies, reserve estimates, and designing enhanced oil...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4034948-MS
...-length. Integrating multivariate data into the coupled fluid-flow and geomechanics model provides an effective tool for determining propped hydraulic fracture properties, leading to improved recovery from hydraulically fractured, ultra-low permeability reservoirs. URTeC 4034948 2 Introduction The Phase...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043465-MS
... about geomechanics, fracture geometry and reservoir permeability. This information can be combined with geotechnical analysis into simple asset-wide maps to provide a comprehensive asset-wide playbook that can be used to guide completion design and well spacing decisions. URTeC: 4043465 2 Although each...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4034665-MS
.... The following tests are first performed on the core plugs: X-ray micro computed tomography, helium pycnometry, low-pressure gas (N 2 ) adsorption, and gas permeability tests (at in situ stress conditions). Primary production and CO 2 HnP tests are then carried out using a customised advanced core-flooding...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4042576-MS
... BOCID.PEPFQRSP T + 1.36510X YZ [Z \Z (Eq.1) Where Pc,net is the net closure stress, SMAX as the nominal strength of the proppant, is fluid viscosity, is proppant pack permeability, vf is the critical velocity for loose proppant grains mobilization (Eq. 2.3), a is a constant equal to 7.7172, and WR is the ratio...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4031556-MS
... and simulated the gas HnP pilots in four wells. The oil recovery increased from all four wells after implementing the gas HnP process, despite variations in the injection time across the pilots. Li et al. (2019) performed CO2 HnP experiments on EF core samples with permeabilities ranging from 8 mD to 2.67 D...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4043628-MS
... Abstract China possesses abundant deep shale gas resources, presenting a realistic alternative for augmenting natural gas reserves and production. Previous studies predominantly focused on deep shale porosity, permeability and rock mechanical characteristics separately under high temperature...

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