English to Spanish Bus/Financial Aerospace / Aviation / Space Contract of Services

Type of document: Contract for services (between a large, bully transnacional Oil Corporation and a small domestic Airliner)
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Context:
"12. LIENS
21.1 Contractor shall immediately pay en discharge any lien, claim or encumbrance, of any nature, upon or against [name of Oil Company] or XXX and their respective Affiliated Companies, the Services or the real property upon which the Services are situated (or shall provide security for payment thereof), that may arise from Contractor's performance of the Services, including, without limitation, any claims, liens or encumbrances from Contractor's Personnel, or from laborers or credtors of same (including tax claims of the Government, and Contrator shall indemnify, defend and hold [name of Oil Company] and XXX and their respective Affiliated Companies harmless from same."
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Country: Peru. The airliner is a Peruvian company whose main line of business is to provide passenger and cargo transportation services with small aircraft (maximum 19 passengers.) The Services involve providing support passenger and cargo transportation for an exploration drilling operation.
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