Synthesis and performance evaluation of thermo-thickening …

In the oil and gas fluid industry, there is a growing focus on embracing innovative drilling practices. One transformative approach gaining momentum is the shift from traditional bentonite-based drilling fluids (BT-DFs) to revolutionary bentonite-free drilling fluids (BF-DFs) [1,2,3].While bentonite is valued as a cost-effective viscosifier and filtration loss control …

Effect of drilling mud bentonite contents on the fluid loss …

In this study, short term (30 min) and long term (420 min) fluid loss tests on the drilling mud with various amounts of bentonite contents were performed using the API fluid …

Drilling Fluids

3.2.1 Density of Drilling Fluid. The density of drilling fluid is the mass of drilling fluid in a unit volume, expressed as kg/m 3 or g/cm 3. Mud density is an important property of drilling fluid. A proper mud density can be used to balance the pressure of oil, gas, and water formation, and prevent oil, gas, and water from entering into the ...

(PDF) DRILLING FLUID EVALUATION USING YIELD POINT-PLASTIC …

The project is done to study about the effects of solid contents and various additives in drilling fluids. The objectives of this project work were to determine the Viscosity & Density of Mud Additive (Barite BASO4 specific gravity :4.10 ~ 4.20), while STPP(sodium tri-polyphosphate Na 5 P 3 O 10) is Viscosifier.The scope of this project is limited to Water based muds only.

Effect of pH on Rheological and Filtration …

The design of drilling fluids is very important for the drilling operation success. The rheological properties play a key role in the performance of the drilling fluid. Therefore, studying the mud rheological properties of the …

Bentonite in Drilling Mud Fluids Applications

Bentonite in Drilling Mud Applications. Bentonite is added to freshwater or to freshwater muds for one or more of the following purposes: Firstly, to increase hole cleaning capability; Secondly, to reduce water …

Activation of calcium bentonite for use as a drilling fluid: …

Results showed that physically activated bentonite met OCMA type specifications, with a density of 1.125g/cm3, suitable for desert drilling fluids. Chemical activation using …

(PDF) Construction and stability risks for fluid supported …

The construction of diaphragm walls and most large-diameter bored piles (piers) is often carried out under drilling support fluids to temporarily stabilize the excavation prior to concrete placement.

What are drilling fluids : types, composition & uses

Drilling fluids are crucial in the drilling operation and it has many uses such as lubrication, ease of movement of substance and cooling. ... Clays such as bentonite or polymers are added to increase viscosity and improve suspension of cuttings. c) Weighting Agents: Barite or hematite may be added to increase the density of the drilling fluid ...

Activation of calcium bentonite for use as a drilling fluid: …

All mixtures are considered successful in terms of density, as a good drilling fluid has a density value higher than 1.03 g/cm 3. ... Effect of bentonite: water ratio on the viscometer reader dial at 600 rpm. Y·P/P·V ratio for all S/L ratios ultrasound treated was found to be 5.05, 3.57, 3.4, 2.16 and 2.42 for 1:8, 1:10, 1:12, 1:14 and 1:16 ...

Influence of water-based drilling fluids on the performance …

Effect of density of drilling fluids on the (a) impact velocity and (b) impact energy of the impact body with a constant bentonite content (5%). For this, the density of the drilling fluid in the range ∈{1.04 (without barite), 1.06, 1.08, 1.1} g/cm3 and Qs in the range ∈{160,180,200} L/min were used here.

Determination of Effect Bentonite and Additives …

It is recommended from the results to keep the pH of water-based drilling fluid based on bentonite in the range of 9 to 10 as it provides the optimum mud rheological and filtration properties.

Study of a High-Temperature and High-Density …

The environment-friendly water-based drilling fluid system developed for the petroleum development industry cannot successfully withstand temperatures up to 180 °C, and most high temperature-resistant additives with …

(PDF) Impact of Additives on Drilling Fluid Properties

The project is done to study about the effects of solid contents and various additives in drilling fluids. The objectives of this project work were to determine the Viscosity & Density of Mud Additive (Barite BASO4 specific gravity :4.10 ~ 4.20), while STPP(sodium tri-polyphosphate Na 5 P 3 O 10) is Viscosifier.The scope of this project is limited to Water based muds only.

Clay minerals in drilling fluids: functions and …

Bentonites are smectite-rich clays often used in drilling fluids, and their composition varies from deposit to deposit. Such variations significantly affect the behaviour of bentonite-based drilling fluids.

Thermoresponsive Bentonite for Water-Based Drilling Fluids …

As an important industrial material, bentonite has been widely applied in water-based drilling fluids to create mud cakes to protect boreholes. However, the common mud cake is porous, and it is difficult to reduce the filtration of a drilling fluid at high temperature. Therefore, this paper endowed bentonite with a thermo response via the insertion of N …

Thermoresponsive Bentonite for Water-Based Drilling Fluids

1. Introduction. As an important industrial material, bentonite has been widely applied in agricultural, medical, and energy fields for decolorization, suspension, and stabilization [1,2,3].During drilling for oil or gas, bentonite can effectively reduce the loss of the filtration of the water-based drilling fluid and improve the ability of the water-based drilling fluid to shear and …

Studying the Effect of Geological Formation and Formation …

Abstract While drilling an oil well, the bit will penetrate different geological formations, and these formations will contaminate the drilling fluid either through rocky crumbs or formation water. The amount of alternation caused in the drilling fluid depends on the lithological type of the drilled formation and the percentage of ions in the formation water. Water is the …

Determination of Effect Bentonite and Additives On …

Bentonite disperses into colloidal particles and, accordingly, provide large surface areas per unit weight of clay. This large surface area is a major reason why bentonite functions so well in stabilizing emulsions, or as a medium to carry other chemicals.

Thermoresponsive Bentonite for Water-Based Drilling Fluids

By using a high-density drilling fluid, the hydration expansion of shale was reduced by half at 110 °C in comparison with common bentonite drilling fluid. In addition, the rheology …

An Experimental Investigation of Temperature and Ageing Effects …

Although the three types of the investigated drilling muds showed inverse relation of density with temperature as shown in Fig. 27. Nevertheless, drilling fluids incorporated with MNPs seemed to ...

Effect of Bentonite Support Fluid on Pile Capacity

A study on the effect of these bentonite fluids at pile–soil interface will be highly beneficial for engineers. In this paper, an attempt is made to study the effect of bentonite layer on frictional resistance at pile–soil interface and how it affects the estimation of pile capacity. ... Tests were conducted at a density of 1.5 g/cc in both ...

Effect of Surfactants on the Performance of Water-Based Drilling Fluids …

With exceptional rheological behavior, bentonites are utilized in different industries including drilling fluids, paper, dyes, pharmaceuticals, cement, composites, and ceramics (e.g. [20,21,22,23,24,25,26]).In addition and owing to the fact that bentonite is a porous material with high capability of adsorption, it has an application in environmental engineering as a sorbent …

Effect of Different Weighting Agents on Drilling Fluids and …

Weighting agents such as barite, micromax, ilmenite, and hematite are commonly added to drilling fluids to produce high-density fluids that could be used to drill deep oil and gas wells. Increasing the drilling fluid density leads to highly conspicuous fluctuation in the drilling fluid characteristics. In this study, the variation in the drilling fluid's rheological and filtration properties ...

(PDF) pH Impact on Bentonite-Based Drilling Fluid …

Drilling fluids Play a vital role in hole Cleaning suspension of cuttings, prevent caving, and ensure the tightness of the well wall. Moreover they also help in cooling and lubricating the drilling tool, transfer the hydraulic power and carry information about the nature of the drilled formation by raising the cuttings from the bottom to the surface, using a simple mixture of water and clays ...

Primary Investigation of Barite-Weighted Water-Based Drilling Fluid

Drilling fluid is a critical component in drilling operation due to its various functions. It consists of many elements, and one of the main components is the weighting material which controls the mud density. The weighting material type and concentration have a significant impact on the drilling fluid properties. A common weighting material used in the oil and gas industry is …

Water Based Drilling Fluid Systems Applications & Mixing

Add Barite to obtain the required drilling fluid density. Additions of FC-10, Drilling Detergent, Lube, and No should only be added to the saturated salt fluid system as and when they are required while drilling. ... It should be noted that such Mil only produces such a dramatic thixatropic effect with Wyoming Bentonite, so lower grades of ...

SOLIDS CONCENTRATION EFFECTS IN BENTONITE DRILLING FLUIDS

The difference in volume between the benzene and the pycnometer was taken as the volume of the bentonite. The density was calculated from this volume and the previously determined weight. ... The concentration scales are different SOLIDS CONCENTRATION EFFECTS IN BENTONITE DRILLING FLUIDS 269 T A B L E 3.--CALCULATION OF THEORETICAL Dju FUNCTION ...

Clay minerals in drilling fluids: functions and …

The addition of clay minerals in drilling fluids modifies the dispersion's viscosity. In this article, scientific advances related to the use of clays and clay minerals (bentonite, palygorskite, sepiolite and mixtures of clay minerals) in drilling …

LABORATORY REPORT ON THE FACTORS THAT AFFECT THE PROPERTIES OF DRILLING …

1.4.2 Density Drilling fluid density is the first parameter to consider. Its definition according to America Petroleum Institute (API) is matter measured per unit volume expressed in pounds per gallon (ppg), pounds per square inch per 1000 feet and pounds per cubic feet. ... The effect of bentonite on pH is not significant as indicated in the ...

Effect of barite and gas oil drilling fluid additives on the …

This research presents a study of the effect of drilling fluid on the reservoir rock properties. The interactions between the clay minerals existing in the formations and the drilling fluids have been studied. Two types of drilling fluids, which are water-based ferrochrome lignosulfonate base mud and lime mud, were prepared for the study. About 100 core plugs …

Investigation of mud density and weighting materials effect on drilling

The testing materials that are used in this experimental work are represented mainly by a water-based drilling fluid. Bentonite is used as viscosifier, while Barite and Calcium Carbonate are used as weighting materials. ... Table 12 summarizes the effect of density on the final measured porosity of the ceramic disk for the seven used fluid ...

(PDF) Effect of pH on Rheological and Filtration Properties …

Drilling fluids Play a vital role in hole Cleaning suspension of cuttings, prevent caving, and ensure the tightness of the well wall. Moreover they also help in cooling and lubricating the drilling tool, transfer the hydraulic power and carry information about the nature of the drilled formation by raising the cuttings from the bottom to the surface, using a simple mixture of water and clays ...

(PDF) Effect of Polymer and Bentonite on the Performance …

The use of bentonite and polymer as a support fluid in the boring of the bored pile has different effects on the pile bearing capacity. As well as they have a different impact on the environment ...

Effect of Bentonite and Polymer Drilling Fluids on Skin …

PDF | On Dec 31, 2022, M. B. C. Hemadasa and others published Effect of Bentonite and Polymer Drilling Fluids on Skin Friction of Bored Piles | Find, read and cite all the research you need on ...