1. SC8 Liaison Report 2014 Exploration & Production Standards Conference API SC8 – Subcommittee on Drilling Structures & Equipment Chair: Mark Trevithick SC18 Liaison: Shawn Firenza

2. SC8/TG1 Coverage – API SPEC 4F & RP 4G Chair – Shawn Firenza Document Status −Spec 4F 4 th ed. published January, 2013, effective August 1, 2013 −RP 4G published April, 2012 Ongoing Activity −SES reported on the current design methodology comparison. We are working to define the next stage of the study to design. −Upcoming Letter ballot items Modifications to account for rig moves. Modification to the definition of substructure to clarify the inclusion of pony substructures. Revisions to RP 4G to include platform rig structures in CAT IV inspections and to recommend evaluation of rig structures when a rig is moved to a new location.

3. SC8/TG2 Coverage – API SPEC 7K and RP 7L Chair – Shawn Firenza/Faisal Yousef Document Status −Spec 7K 5 th ed. published June, 2012. Spec 7K 6 th ed. Draft in progress. −RP 7L, reaffirmed August, 2012 Ongoing Issues −Working to define specification for drawworks −Revisions to BOP handling specifications −Review of 6 th edition draft for publication −Upcoming Letter Ballots Purchaser Guideline Revisions to hose specifications to allow for rotary hose used in underbalanced and gas drilling applications, increases in rated pressures, and fire ratings. Removal of Power Tongs from the scope of covered equipment.

4. SC8/TG3 Coverage – API SPEC 8C, & RP 8B Chair – Ken Kondo Document Status −Spec 8C 5 th ed. published April, 2012, errata issued May, 2014 −RP 8B 8 th ed. Published May, 2014 Ongoing Issues −Nominal Equivalent Stress −Sheaves −Many ballot items were resolved last year Hydraulic Cylinders in hoisting and pull down applications Wear limits on elevator bores Addition of top drives and casing running tools in RP 8B Allowance for pressure drop due to temperature variance during hydrostatic testing −Upcoming Letter Ballots Purchaser Guideline

5. SC8/TG4 Coverage – API SPEC 7F, 9A & RP 9B Chair – Dennis Fetter Document Status −Spec 7F 8 th ed. published November, 2010. Errata published May, 2013 −Spec 9A 26 th ed. published May, 2011. Errata published October, 2012 −RP 9B 13 th ed., published October, 2011. Errata published April, 2012, and January, 2013 Ongoing Issues – −Wire rope design factors for setting BOP’s −Upcoming Letter Ballots RP 9B revision – this revision gives much more guidance on the inspection and removal criteria for wire rope.

6. SC8/TG5 Coverage – API 7HU1 Chair – Cindy Taff and Jason Shell Document Status −API 7HU1, 1 st ed. Published May 2009 Ongoing Issues −Developing a Technical Specification for Design and Manufacture of Hammer Unions. Stress Engineering is performing analysis of the proposed design. −Currently the TG is expected to reaffirm 7HU1.