Drilling rig foundation specification
1 Scope
This standard specifies the classification, selection, application scope, technical requirements, materials, construction, and inspection and acceptance of drilling rig foundation in oil and gas drilling.
This standard is applicable for the construction of foundations of all kinds of land rigs in oil and natural gas drilling operations.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications (exclude errata) do not apply. However, parties of agreements based on this part of the directives are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the document referred to applies.
GBJ 50202-2002 Code for acceptance of construction quality of building foundation
SY/T 5466 Well site preparation and layout requirements
SY/T 5972 Selection and design of rig foundation
3 Function, classification and type
3.1 Function of rig foundation
a) Provide a safe operating platform for a rig in the entire well drilling process to sustain and transfer the load from the rig and its facilities to the ground;
b) Offer an installation and operation platform for rig and its facilities;
c) Protect the substructure of the rig and its facilities from corrosion;
d) Facilitate the disposal of waste and water;
e) Provide the space for pipe;
Foreword i
1 Scope
2 Normative references
3 Function, classification and type
4 Application scope of foundation
5 Foundation selection and design
6 Construction for poured concrete foundation
7 Prefabricated foundation construction
8 Pile-supported foundation construction
9 Foundation materials
10 General technical requirements
11 Inspection and acceptance
