Pingya Luo
YOU?
Author Swipe
View article: Interfacial plugging of shale microfractures using functionalized graphene oxide with high dispersion stability under harsh conditions
Interfacial plugging of shale microfractures using functionalized graphene oxide with high dispersion stability under harsh conditions Open
View article: High-temperature and high-salt water-based drilling fluid loss reducing agent: Synthesis, Performance Evaluation and Mechanism
High-temperature and high-salt water-based drilling fluid loss reducing agent: Synthesis, Performance Evaluation and Mechanism Open
View article: Preparation and mechanism of environmentally friendly poly-citrulline as shale inhibitor for water-based drilling fluids
Preparation and mechanism of environmentally friendly poly-citrulline as shale inhibitor for water-based drilling fluids Open
Shale inhibitors is a treatment agent in mud, but most inhibitors cannot balance the relationship between inhibition performance and environmental protection performance.
View article: Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer Open
In this work, a hydrophobically associative polymer (HAP) was mixed with β-cyclodextrin and epichlorohydrin polycondensate (β-CDP) in an aqueous solution to enhance the intermolecular interaction through host–guest inclusion between hydrop…
View article: Study on the Preparation and Mechanism of Two-Dimensional Nanomaterials as Plugging Agents for Oil-Based Drilling Fluids
Study on the Preparation and Mechanism of Two-Dimensional Nanomaterials as Plugging Agents for Oil-Based Drilling Fluids Open
View article: Study on Artificial Filter Cake Evaluation Method of Oleophilic Nano-Plugging Agent
Study on Artificial Filter Cake Evaluation Method of Oleophilic Nano-Plugging Agent Open
Oil-based drilling fluid is currently widely utilized when drilling shale, in which the oleophilic nano-plugging agent is the major component for wellbore strengthening. However, there have been few effective and straightforward evaluation…
View article: Preparation and Performance Evaluation of Temperature-Resistant and Salt-Resistant Drilling Fluid Loss Reducer
Preparation and Performance Evaluation of Temperature-Resistant and Salt-Resistant Drilling Fluid Loss Reducer Open
View article: Investigation on Coalbed Methane Fracturing Using Supercritical CO2 Graphene Cement Slurry System
Investigation on Coalbed Methane Fracturing Using Supercritical CO2 Graphene Cement Slurry System Open
In this study, we innovatively use sulphoaluminate cement slurry and its additives as a fracturing fluid system for supercritical CO2 graphene-permeable cement stone (referred to hereafter as the SCGPCS) fracturing without sand. Utilizing …
View article: Investigation on Pulverized Coal Control Using Calcium Sulfoaluminate Cementitious Proppants in Coalbed Methane Fracturing
Investigation on Pulverized Coal Control Using Calcium Sulfoaluminate Cementitious Proppants in Coalbed Methane Fracturing Open
[Image: see text] Coalbed methane is a type of high-quality clean energy. The development of coalbed methane helps protect the living environment of humans and solves the safety problems in coal mining. However, a large amount of pulverize…
View article: Study of a Polyamine Inhibitor Used for Shale Water-Based Drilling Fluid
Study of a Polyamine Inhibitor Used for Shale Water-Based Drilling Fluid Open
Here, we report a water-soluble shale inhibitor for inhibiting shale hydrate formation. The copolymer denoted as thermogravimetric analysis (TGA) was synthesized via triethanolamine, two maleic anhydrides, and glacial acetic acid. The infr…
View article: Based on self-made shale formation simulated artificial cores to evaluate water-based drilling fluids plugging effect technology
Based on self-made shale formation simulated artificial cores to evaluate water-based drilling fluids plugging effect technology Open
Plugging technology is one of the leading problems in shale gas drilling engineering, as it causes wellbore stability, shale formation collapse, and so on. In order to solve these problems, in this paper, we committed to preparing artifici…
View article: Synergistic inhibition of polyethylene glycol and potassium chloride in water-based drilling fluids
Synergistic inhibition of polyethylene glycol and potassium chloride in water-based drilling fluids Open
Mud shale hydration and swelling are major challenges in the development of water-based drilling fluids (WBDFs). In this work, the inhibition performance and inhibition mechanism of polyethylene glycol (PEG) and potassium chloride (KCl) we…
View article: Improved analysis methods to study the behavior of potassium ions in the interlayer of montmorillonite
Improved analysis methods to study the behavior of potassium ions in the interlayer of montmorillonite Open
The behavior of potassium chloride (KCl) as a main mud shale inhibitor remains poorly defined in the interlayer of montmorillonite (Mt). In this paper, a new analysis method of transmission electron microscopy-energy dispersive X-ray spect…
View article: Investigation on influence of drilling unloading on wellbore stability in clay shale formation
Investigation on influence of drilling unloading on wellbore stability in clay shale formation Open
Wellbore collapse frequently happens in the clay shale formation. To maintain wellbore stability, appropriate mud pressure is a vital factor. When clay formation is opened, drilling unloading occurs, modifying rock structure and strength a…
View article: Synthesis and mechanism research of a new low molecular weight shale inhibitor on swelling of sodium montmorillonite
Synthesis and mechanism research of a new low molecular weight shale inhibitor on swelling of sodium montmorillonite Open
Shale gas as green and clean energy is attracting more interest. However, shale hydration and swelling have become the major challenges using water‐based drilling fluids, replacing oil‐based drilling fluids, for developing shale gas. In th…
View article: Ultra-Stable Silica Nanoparticles as Nano-Plugging Additive for Shale Exploitation in Harsh Environments
Ultra-Stable Silica Nanoparticles as Nano-Plugging Additive for Shale Exploitation in Harsh Environments Open
Owing to the harsh downhole environments, poor dispersion of silica at high salinity and high temperature can severely restrict its application as the nano-plugging agent in shale gas exploitation. The objective of this study is to improve…
View article: A novel analytical model of initial fracture pressure for horizontal staged fracturing in fractured reservoir
A novel analytical model of initial fracture pressure for horizontal staged fracturing in fractured reservoir Open
The horizontal well‐staged fracturing technology has been widely used in many oilfields to enhance well production by creating fracture network. Accurate prediction of fracture initiation is significant for successful hydraulic fracturing …
View article: Hydration index and hydrated constitutive model of clay shale using acoustic frequency spectrum
Hydration index and hydrated constitutive model of clay shale using acoustic frequency spectrum Open
Clay shale is frequently encountered in drilling. With strong hydration capacity, when clay shale contacts with drilling fluid, rock structural and mechanical property will be affected, causing wellbore instability. Acoustic frequency spec…
View article: Evaluation and mechanical influence of clay shale hydration using acoustic time-frequency domain characteristics
Evaluation and mechanical influence of clay shale hydration using acoustic time-frequency domain characteristics Open
Wellbore collapse frequently happens in clay shale formation due to its strong hydration. Numerous studies on clay shale hydration have been conducted to find an effective method to evaluate and control hydration damage so that wellbore in…
View article: Synthesis of Oligomeric Silicone Surfactant and its Interfacial Properties
Synthesis of Oligomeric Silicone Surfactant and its Interfacial Properties Open
During the exploitation of low permeability gas-condensate reservoirs, the mud filtrate, acidizing liquid, and fracturing fluid invade the reservoir and condensate gas, severely reducing the permeability of the reservoirs due to increased …
View article: Associating Polymer Networks Based on Cyclodextrin Inclusion Compounds for Heavy Oil Recovery
Associating Polymer Networks Based on Cyclodextrin Inclusion Compounds for Heavy Oil Recovery Open
This work evaluates an approach to improve the enhanced heavy oil recovery performance of hydrophobic associating polymer. A polymeric system based on water-soluble hydrophobic associating polymer (WSHAP) and cyclodextrin (CD) polymer was …
View article: The Research on Influence of Unloading on Borehole Stability in Clay-Rich Shale Formation
The Research on Influence of Unloading on Borehole Stability in Clay-Rich Shale Formation Open
Introduction: Unloading phenomenon happens in the beginning of drilling and is able to change stress state around borehole. This change of stress state causes impact on rock structure and strength, thus affecting the evaluation of wellbore…
View article: Performance and field implementation of a new fracturing fluid consisting of hydrophobically associating polyacrylamide and anionic surfactant
Performance and field implementation of a new fracturing fluid consisting of hydrophobically associating polyacrylamide and anionic surfactant Open
The fundamental cause of the proppant suspension behavior in hydraulic fracturing fluids lies in its internal microcosmic network structure and structural strength. In addition to chemical crosslinking, another method to form a network str…
View article: Nanoplugging Performance of Hyperbranched Polyamine as Nanoplugging Agent in Oil‐Based Drilling Fluid
Nanoplugging Performance of Hyperbranched Polyamine as Nanoplugging Agent in Oil‐Based Drilling Fluid Open
A hyperbranched polyamine was synthesized by self‐condensing vinyl polymerization with divinyl sulfone, N‐phenyl‐p‐phenylenediamine, by A 2 + approach. The hyperbranched polyamine was characterized by FT‐IR, TGA, and phase analysis light s…