• Continental Resources Inc., Enid, Okla., plans to acquire the assets of privately owned Farrar Oil Co., Mt. Vernon, Ill. Farrar will become a subsidiary of Continental and named Continental Resources Illinois Inc. The acquisition includes 568 operated and nonoperated wells with daily production of 1,760 bbl. of oil and 1.76 million cu. ft. of gas and reserves totaling 4.6 million bbl. of oil and 7 billion cu. ft. of gas. • Bellwether Exploration Co., Houston, has acquired Bargo Energy Co., Houston, for approximately $220 million, including assumed debt. Bellwether changed its name to Mission Resources Corp. and its Nasdaq ticker is now MSSN. • Ward Petroleum Corp., Enid, Okla., has acquired 29 producing properties (17 operated) from Marathon Oil Co., Houston, in Grady, Garvin and McLain counties, Okla. Net proved reserves are estimated at 5.7 billion cu. ft. of gas equivalent, 96% gas. Current net production is approximately 900,000 cu. ft. equivalent per day. • Pure Resources Inc., Midland, Texas, subsidiary Pure Resources II Inc. has completed its initial tender offer for Hallwood Energy Corp., Denver, common shares at $12.50 each and for series A cumulative preferred shares at $10.84 each. Pure's subsequent offering period expired May 15. Pure accepted for payment approximately 8.2 million Hallwood common shares, or 85% and 1.8 million Hallwood series A cumulative preferred shares, or 78%. Hallwood had proved developed reserves of approximately 121.7 million cu. ft. of gas and 6.1 million bbl. of oil as of Dec. 31, 2000, according to the company. • PetroCorp Inc. plans to merge Southern Mineral Corp., Houston, into PetroCorp Acquisition Co. Southern Mineral shareholders will receive $4.71 per share in cash or PetroCorp common stock, based on an exchange ratio of 0.471. Southern Mineral's year-end 2000 proved reserves were approximately 79.2 billion cu. ft. of gas equivalent, approximately 60% gas. • Mitchell Energy & Development Corp., The Woodlands, Texas, has offered 4.5 million class A common shares at $53 each for a total of $238.5 million, belonging to George P. Mitchell, who has granted the underwriters an option to purchase up to an additional 675,000 shares. Credit Suisse First Boston, Goldman, Sachs & Co., JPMorgan, Jefferies & Co. Inc. and Sanders Morris Harris were underwriters. • Continental Resources Inc., Enid, Okla., plans to acquire the assets of privately owned Farrar Oil Co., Mt. Vernon, Ill. Farrar will become a subsidiary of Continental and be named Continental Resources Illinois Inc. The acquisition includes 568 operated and nonoperated wells with daily production of 1,760 bbl. of oil and 1.76 million cu. ft. of gas, and reserves totaling 4.6 million bbl. of oil and 7 billion cu. ft. of gas.