system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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the amount STW is owed for drilling any producing well(s). -3- 12. Title of Producing Wells. Title and ownership of the Existing CRA Well, the Replacement CRA Well and any additional wells drilled on the Property by STW (the "Additional Wells") shall be transferred to STW by COFS and shall be held by STW; however, upon termination of the provisions of this AGREEMENT that relate to COFS Property, STW shall transfer the title(s) back to COFS upon COFS' reimbursement of STW as necessary under this AGREEMENT. 13. Uses, Maintenance, Construction and Operation of Wells. STW will construct, maintain, operate, own, and repair (as needed) the Existing CRA Well, the Replacement CRA Well and any Additional Wells, and in doing so, and in the wells' operation and repair, STW shall: a. conduct all work and operations in a businesslike manner consistent with good and economical practices and with due regard for good land management, damage prevention and environmental protection; b. comply with all federal, state, and local laws, regulations and requirements governing the development, production, collection, transportation, and disposal of the water (and any waste or reject water); c. allow COFS or its authorized representatives to enter upon the premises at reasonable times to be arranged in advance of entry; and d. plug all wells, when abandoned, in accordance with the applicable regulatory requirements of the Middle Pecos Groundwater Conservation District, TDLR, and/or TCEQ. 14. Obligations Following the Post-Well Study. a. For purposes of this section, the Post-Well Study must show that the Existing CRA Well or Replacement CRA Well can produce CRA water at a minimum of 1,200 GPM or more or a combination of 1,200 GPM from one or more wells on the Property in order for STW to proceed with the obligations set forth in this section ("Critical Criterion"). b. Obligations if Post-Well Study shows that the Critical Criterion has been met: If all necessary regulatory approvals are obtained that allow the production and transport of up to 10 million GPD or the maximum capacity of the well, for STW's use or resale, in conjunction with STW exercising its Option to Produce Water under Section 15 of this AGREEMENT, STW will pay COFS an upfront Bonus Payment of Five Million and 00/100 Dollars ($5,000,000.00), and STW shall have the immediate right to develop Additional Wells on the Property, subject to all necessary regulatory approvals, in the event STW procures additional water supply contracts that require additional volume of production, the feasibility of which shall be by a Post Well hydrogeological study and report that shows the ability of STW to produce the additional amounts of CRA water. STW shall have the right to the sale of and transport of such additional water produced from Additional Wells. STW shall pay COFS a seventeen percent (17%) royalty of the price STW receives per 1,000 gallons of CRA water produced from the Property and sold. STW shall also provide to COFS three (3) million GPD of CRA water at no cost to COFS at such time that COFS requests delivery of the water for COFS use. Each payment made by STW to COFS will include an accounting statement providing the number of gallons sold, the price paid by any customer(s), the gross revenues received by STW, and the expenses paid by STW for the sale, treatment, use, and/or delivery of the CRA water. STW shall calculate the amount owed to COFS every one hundred-eighty (180) days ("Accrual Period"), and shall provide required payments to COFS within thirty (30) days after the end of the previous Accrual Period. -4- c. Options if Post-Well Study shows that the Critical Criterion has not been met: (1) STW may choose to not pursue the production and transport of the water from the Property. If one or more producing wells are developed by STW and COFS sells the CRA water produced from the well(s), COFS will reimburse STW from the net revenues COFS receives up to the point STW has been fully reimbursed for drilling any producing well(s) if such sale occurs within twenty (20) years from the date of this AGREEMENT. (2) STW may choose to pursue the production and transport of the water. STW shall have the right to produce and transport the water upon obtaining all necessary regulatory approvals, and will not seek reimbursement of any of its costs incurred pursuant to the AGREEMENT. (3) If regulatory approvals have been granted, but the permit obtained from the Middle Pecos Groundwater Conservation District allows
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Extract the exact clause related to "Revenue/Profit Sharing" from the excerpt above.