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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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You are viewing a USPC Schedule. |
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Class 507 | EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY |
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This Class 507 is considered to be an integral part of Class 252 (see the Class 252 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 252. | ||
![]() | ![]() | 90 | PREVENTING CONTAMINANT DEPOSITS IN PETROLEUM OIL CONDUITS |
![]() | ![]() | 100 | EARTH BORING |
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![]() | ![]() | 200 | WELL TREATING |
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CROSS-REFERENCE ART COLLECTIONS | ||
![]() | ![]() | 901 | ORGANICALLY MODIFIED INORGANIC SOLID |
![]() | ![]() | 902 | CONTROLLED RELEASE AGENT |
![]() | ![]() | 903 | CROSSLINKED RESIN OR POLYMER |
![]() | ![]() | 904 | PROCESS OF MAKING FLUIDS OR ADDITIVES THEREFOR |
![]() | ![]() | 905 | NONTOXIC COMPOSITION |
![]() | ![]() | 906 | SOLID INORGANIC ADDITIVE IN DEFINED PHYSICAL FORM |
![]() | ![]() | 907 | INDICATING MEANS (E.G., DYE, FLUORESCING AGENT, ETC.) |
CROSS-REFERENCE ART COLLECTIONS | ||
![]() | ![]() | 910 | EARTH BORING FLUID DEVOID OF DISCRETE AQUEOUS PHASE |
CROSS-REFERENCE ART COLLECTIONS | ||
![]() | ![]() | 920 | BIOCIDAL |
![]() | ![]() | 921 | SPECIFIED BREAKER COMPONENT FOR EMULSION OR GEL |
![]() | ![]() | 922 | FRACTURE FLUID |
![]() | ![]() | 925 | COMPLETION OR WORKOVER FLUID |
![]() | ![]() | 926 | PACKER FLUID |
![]() | ![]() | 927 | WELL CLEANING FLUID |
![]() | ![]() | 933 | ACIDIZING OR FORMATION DESTROYING |
![]() | ![]() | 935 | ENHANCED OIL RECOVERY |
![]() | ![]() | 939 | CORROSION INHIBITOR |
![]() | ![]() | 940 | FREEING STUCK OBJECT FROM WELLBORE |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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