470017_THUMS_UIC
Summary
SCH Number
2025030054
Public Agency
California Department of Conservation
(DOC)
Document Title
470017_THUMS_UIC
Document Type
NOE - Notice of Exemption
Received
Posted
3/3/2025
Document Description
THUMS Long Beach Co. (THUMS) submitted a Notice of Intention (NOI) to rework an existing offshore injection well located on Island Grissom in the Wilmington Oil Field. The rework consists of repairing the casing of the well by running and cementing a casing sleeve prior to returning the well to its existing use. No new production facilities and no new ground surface disturbance will be associated with this project.
The proposed project consists of the California Department of Conservation, Geologic Energy Management Division (CalGEM) approving 1 permit for THUMS to rework the well listed below, in the Wilmington Oil Field, to address well integrity issues.
API #: 0423722834
Well Name: A-718 I
Contact Information
Name
Maggie Harrington
Agency Name
Department of Conservation, Geologic Energy Management Division
Job Title
Associate Governmental Program Analyst
Contact Types
Lead/Public Agency
Phone
Email
Name
Andrew Cochrane
Agency Name
THUMS Long Beach Co.
Job Title
Agent
Contact Types
Project Applicant / Parties Undertaking Project
Address
Phone
Email
Location
Coordinates
Counties
Los Angeles
Regions
Southern California
Township
05S
Range
12W
Section
07
Other Information
Wilmington Oil Field
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1; 14 CCR §§ 15301, 1684.1
Reasons for Exemption
The “Class 1” (14 CCR § 15301) exemption is applicable per the CEQA Guidelines and CalGEM’s regulations (14 CCR § 1684.1) because the proposed work consists of repair, maintenance, or minor alteration of an existing previously permitted well involving no expansion of former use. The Class includes, but is not limited to: remedial, maintenance, conversion, and abandonment work on oil, gas, injection, and geothermal wells. The well would maintain its existing well type and the use of the well would remain the same as before.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 2; 14 CCR § 15302
Reasons for Exemption
Class 2 applies because it consists of “replacement or reconstruction of existing structures and facilities where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced[.]” Examples of Class 2 include, but are not limited to, “Replacement or reconstruction of existing utility systems and/or facilities involving negligible or no expansion of capacity.” The proposed project is the rework, or replacement, of the existing well by running and cementing a casing sleeve to the casing which is needed to repair the well. The rework will be on the same site and would have substantially the same purpose and capacity as the well did before the rework. Additionally, no additional construction will occur.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 4; 14 CCR §§ 15304, 1684.2
Reasons for Exemption
Class 4 exemption applies. The proposed project would be conducted entirely on an existing well pad with enough space to contain all equipment. The project would not disturb any undisturbed areas. The proposed project is located within an industrial area. Therefore, the proposed project “consists of drilling operations that result in only minor alterations with negligible or no permanent effects to the existing condition of the land, water, air, and/or vegetation.” The rework would not expand the facility.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 7;14 CCR §§ 15307
Reasons for Exemption
The Class 7 exemption consists of actions taken by regulatory agencies as authorized by law to assure the maintenance, restoration, enhancement, or protection of a natural resource or the environment where the regulatory process involves procedures for the protection of the environment. As demonstrated in the record, the proposed project involves remedial/rework operations to address well integrity issues that requires swift action for protection of a natural resource and the environment.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 8; 14 CCR §§ 15308
Reasons for Exemption
The Class 8 exemption consists of actions taken by regulatory agencies as authorized by law to assure the maintenance, restoration, enhancement, or protection of a natural resource or the environment where the regulatory process involves procedures for the protection of the environment. As demonstrated in the record, the proposed project involves remedial/rework operations to address well integrity issues that requires swift action for protection of a natural resource and the environment.
Attachments
Notice of Exemption
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.