GB/T 16783.1-2025Petroleum and natural gas industries - Field testing of drilling fluids - Part 1: Water-based fluids (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

Drafting.

This document is Part 1 of GB/T 16783 "Field Testing of Drilling Fluids for the Petroleum and Natural Gas Industry". GB/T 16783 has been published.

The following parts were included.

---Part 1: Water-based Drilling Fluids;

---Part 2: Oil-based drilling fluids.

This document replaces GB/T 16783.1-2014 "Field Testing of Drilling Fluids for Petroleum and Natural Gas Industry - Part 1: Water-based Drilling Fluids".

Compared with GB/T 16783.1-2014, the main technical changes in the "Liquid" standard, apart from structural adjustments and editorial modifications, are as follows.

a) The scope has been changed (see Chapter 1, Chapter 1 of the 2014 edition);

b) The terms and definitions of "ACS reagent grade," "Darcy," "quarters," "instantaneous filtration loss," and "sampling tube method" have been removed (see [link]).

Chapter 2 of the 2014 edition);

c) Some symbols have been deleted, the descriptions of some symbols have been changed, and some symbols and their descriptions have been added (see 4.1, 3.1 in the 2014 edition);

d) The abbreviations "AA", "ACS", and "ASTM" were removed; the abbreviation "EDTA" was changed; and the abbreviation "STPB" was added (see...).

4.2 (3.2 in the 2014 edition);

e) The densitometer calibration method and supplementary density determination method have been revised (see 5.2.1, 6.2.1, 6.3; 4.2.1 and 5.2.1 in the 2014 edition).

f) Increased requirements for the temperature control accuracy of the thermometer (see 5.2.2, 6.2.2, 7.2.1.4, 7.3.1.3, J.2.3);

g) The procedure for determining viscosity and shear force using a direct-reading viscometer has been modified (see 7.3.2, 6.3.2 of the 2014 edition);

h) The unit of plastic viscosity has been changed (see 7.3.3, 6.3.3 in the 2014 edition);

i) The principle and test procedure for filtration loss have been modified (see Chapter 8, Chapter 7 of the 2014 edition);

j) The instrument "vernier caliper or steel ruler" has been added (see 8.2.1.4, 8.3.1.7);

k) Added information such as the stirring speed of the high-speed stirrer (see 8.3.1.6, H.3.6, I.3.6);

l) The principles, instruments, and determination procedures for measuring water, oil, and solid content have been modified (see 9.1, 9.2.2, 9.3.1; 8.1 and 8.2.2 in the 2014 edition).

8.3.1);

m) The requirements for fine steel wire bristles have been changed (see 9.2.3, 8.2.3 in the 2014 version);

n) The procedure for determining sand content has been modified (see 10.3.4, 9.3.4 in the 2014 edition);

o) The reagent purity requirements for methylene blue have been changed (see 11.2.1, 10.2.1 in the 2014 version);

p) The procedure for determining methylene blue has been modified (see 11.3.1, 10.3.1 in the 2014 edition);

q) The instrument requirements, measurement procedures, and electrode maintenance methods for pH measurement have been changed (see 12.2.1, 12.2.8, 12.3, and 12.4).

(Versions 11.2.1, 11.2.8, 11.3, and 11.4 of the 2014 edition)

r) Additional requirements for test water have been added (see 12.2.2, 14.2.6)

s) The reagent purity requirements for calcium carbonate have been changed (see 14.2.5, 13.2.5 in the 2014 edition);

t) The procedure for determining total hardness as a calcium ion content has been modified (see 15.3.4, 14.3.4 in the 2014 edition);

u) A chapter on "Lubrication Performance" has been added (see Chapter 16);

v) The requirements for high-temperature, high-pressure filtration loss testing of water-based drilling fluids have been changed (see H.2, H.3, H.4, H.5, H.6, I.2, I.3, I.4, I.5).

(2014 editions I.2, I.3, I.4, I.5, I.6, J.2, J.3, J.4, J.5)

w) The recording time points have been changed (see H.4.4.2, I.4.4.2, and I.4.4.2 and J.4.4.2 in the 2014 version);

This document is modified to adopt ISO 10414-1:2008 "Field testing of drilling fluids for the oil and gas industry - Part 1: Water-based drilling fluids".

This document has undergone significant structural adjustments compared to ISO 10414-1:2008.A table comparing the structural numbering changes between the two documents is available below.

Appendix A.

This document differs significantly from ISO 10414-1:2008.The relevant clauses are indicated in the margins using vertical markers.

Straight lines (|) are marked. A summary of these technical differences and their reasons can be found in Appendix B.

The following editorial changes have been made to this document.

---Some symbol representations have been changed, and some symbols using US units and related content have been deleted (see 4.1,...).

5.4, 7.3, 9.4, 11.4, 13.6, 14.4, F.4, K.5, J.3, M.3, M.6, M.7)

---The abbreviation "STPB" has been added, and the abbreviations "AA", "ACS", and "ASTM" have been removed (see 4.2);

---The unit for plastic viscosity has been changed, and the "note" containing the requirement has been changed to a segment (see 7.3.3);

---The content regarding valve closure and pressure relief, which is redundant with section 8.3.3.8, has been removed (see section 8.3.3.9);

---Change the information description paragraph to the corresponding "Note" (see 15.2.1, 15.3.4, H.3.1.1, H.4.2, H.6.4, I.4.2, I.6.4);

---The reference standardization document has been modified (see C.1);

---The report format for water-based drilling fluids has been changed (see Table G.1);

---Change the next level of the untitled bar to a paragraph (see H.2, H.3, I.2, I.3);

---The grade of sulfuric acid has been changed (see M.4.2.1, M.5.2.7).

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Petroleum and Natural Gas (SAC/TC355).

Introduction

Drilling fluid is a general term for various circulating fluids that meet the needs of drilling operations during oil and gas drilling. It is essential for oil and gas drilling workers.

As drilling becomes increasingly difficult, drilling fluid technology plays an increasingly important role in ensuring safe, high-quality, and rapid drilling.

The essential role. my country has established a national standard system to support drilling fluid testing. Within this system, GB/T 16783 "Petroleum and Natural Gas" is included.

The "Industrial Drilling Fluids" standard aims to specify in detail the field testing methods for drilling fluids in the oil and gas industry, and is proposed to consist of two parts.

---Part 1: Water-based drilling fluids. The purpose is to specify the field testing procedures for water-based drilling fluids.

---Part 2: Oil-based drilling fluids. The purpose is to specify the field testing procedures for oil-based drilling fluids.

To ensure the quality of field testing of drilling fluids, my country first issued GB/T 16783 "Field Testing Procedures for Water-Based Drilling Fluids" in 1997.

The preface states that two versions of GB/T 16783.1 have been published successively. GB/T 16783.1-2014 has been in effect for over ten years and is a standard for water-based drilling fluids.

Standardized testing methods for basic properties such as rheology, filtrate loss, and filtrate testing can effectively evaluate the drilling fluid's ability to carry cuttings and maintain wellbore stability.

Power, after years of promotion and application, has been well received by engineering technicians and other users. With the advancement of drilling in my country, new technological demands and...

Suggestions continue to emerge. Therefore, it is indeed necessary to revise and improve GB/T 16783.1 to continuously adapt to domestic and international practices for field testing of water-based drilling fluids.

New legal changes and new demands from the drilling industry ensure the smooth implementation of on-site testing of drilling fluids for the oil and gas industry.

Oil and gas industry drilling fluid Field Testing Part 1: Water-based Drilling Fluid Warning. As with other laboratory procedures that require the use of potentially hazardous chemicals, users of this document must possess the relevant knowledge.

The personnel are aware of and have received training on the use and handling of hazardous chemicals. Users are responsible for complying with local, regional, and national regulations regarding laboratory personnel.

All applicable requirements, as well as local health, safety, and environmental regulations.

1 Scope

This document specifies the field testing procedures for water-based drilling fluids.

a) Drilling fluid density;

b) Viscosity and shear stress;

c) Filtration loss;

d) Water, oil, and solids content;

e) Sand content;

f) Methylene blue capacity;

g) pH value;

h) Alkalinity and lime content;

i) Chloride ion content;

j) Total hardness as measured by calcium ions;

k) Lubrication coefficient, mud cake adhesion coefficient.

This document applies to field testing of water-based drilling fluids.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 6682 Specifications and test methods for water used in analytical laboratories

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined.

4 Symbols and Abbreviations

The following symbols and abbreviations apply to this document.