Drilling fluid plugging agent and preparation method thereof

The invention provides a drilling fluid blocking agent and a preparation method thereof. The drilling fluid blocking agent is prepared from the following raw materials in parts by weight: 40 to 60 parts of carboxyl rubber, 0.3 to 0.7 part of catalyst, 0.1 to 0.4 part of vulcanization accelerator, 0....

Full description

Saved in:
Bibliographic Details
Main Authors GUO LINHAO, GUAN JIAN, WANG XIAOJUN, YUAN WEI, YANG PENG, HONG WEI, DAI YUNCAI, CHENG DONG, SUN LIWEI, SUN YUNCHAO, QIAN ZHIWEI, KUANG XUBING
Format Patent
LanguageChinese
English
Published 31.05.2024
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
Online AccessGet full text

Cover

More Information
Summary:The invention provides a drilling fluid blocking agent and a preparation method thereof. The drilling fluid blocking agent is prepared from the following raw materials in parts by weight: 40 to 60 parts of carboxyl rubber, 0.3 to 0.7 part of catalyst, 0.1 to 0.4 part of vulcanization accelerator, 0.03 to 0.07 part of filler, 0.3 to 0.7 part of tert-butylphenol formaldehyde resin and 8 to 12 parts of surfactant. The drilling fluid plugging agent provided by the invention can effectively plug pores and microcracks of oil shale, and has the advantages of good plugging effect, low filter loss and good heat resistance. 本发明提供了一种钻井液封堵剂及其制备方法，所述钻井液封堵剂的制备原料以重量份数计包括羧基橡胶40-60份、催化剂0.3-0.7份、硫化促进剂0.1-0.4份、填料0.03-0.07份、叔丁基苯酚甲醛树脂0.3-0.7份和表面活性剂8-12份。本发明提供的钻井液封堵剂能够有效封堵油页岩孔隙、微裂缝，具有封堵效果好、滤失量低，耐热性好的优点。
Bibliography:Application Number: CN202211525461