SC13TG08 Drilling Fluid Materials Charge – Develop specifications to be published in API SPEC 13A, provide guidance on reference materials required by API SPEC 13A, responsible for API RP13K Chemical Analysis of Barite SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials Agenda 1) Call to order, review roster 2) Review Minutes of previous TG08 Meeting Fort Worth, Texas 3) TG08 WG01 Report and action items (Reference Materials) TG08 WG02 Report and action items (Starch and Guar in Xanthan Gum) TG08 WG # undetermined, proposed revision of API SPEC 13A Starch spec 6) Old Business 7) New Business 8) Action items 9) Adjourn SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials SC13 – Drilling Completion and Fracturing Fluids

2) Minutes Fort Worth: Review and approval? SC13TG08 Drilling Fluid Materials 2) Minutes Fort Worth: Review and approval? TG08 minutes condensed from SC13 Fort Worth Minutes: • WG4 – Tim Wilkin will ask Mark Churan to replace Tom Shumate as chair • Contact API staff regarding SC13 published papers not linked on website • Tim Wilkin will contact Saleh Al-Ammari regarding a NWI on starch revision • NWI to establish WG to look at all API reference materials • Ed Malachosky requested the issue of the cost of producing and maintaining API reference materials be examined • Xanthan gum WG – Mac Seheult will bring the WG out of hibernation to work on starch and guar gum issues SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials 3) Report SC13TG08WG01: SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials 4) Report SC13TG08WG02: SC13 – Drilling Completion and Fracturing Fluids

5) Report SC13TG08WG XX on new API SC13A Starch specification: SC13TG08 Drilling Fluid Materials 5) Report SC13TG08WG XX on new API SC13A Starch specification: SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials 6) Old Business SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials New Business: Errata API SPEC 13A; coordinated correction with SC13TG02 Publications, submitted proposed correction to TG01 and SC13 Chair SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials 8) Action Items 06/29/11 Review wording of Starch and Guar tests with TG08WG02, vote and forward to TG08 for TG vote, forward to SC13 for vote 06/29/11 Re-run Standard Evaluation Base Clay tests with new sample of Starch in round robin repeat, TG08WG01, several labs have received materials and testing has already commenced Recommend material for API Reference Bentonite, run round robin testsTG08WG01 SC13 – Drilling Completion and Fracturing Fluids

8) Action Items 06/29/11, Continued, SC13TG08 Drilling Fluid Materials 8) Action Items 06/29/11, Continued, Create new TG08 work group on new starch specification; WG# to be determined. SC13 – Drilling Completion and Fracturing Fluids

SC13TG08 Drilling Fluid Materials 9) Adjourn SC13 – Drilling Completion and Fracturing Fluids