Memorandum of Lease

If only the Memorandum of Lease has been filed, but in addition to the original lessee/operator a second operator is also drilling wells under my lease, how does the second operator know the terms of the lease? Is the original lessee/operator obligated to provide them copies? This is in Texas.

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They are not obligated but usually they work together in these situations, via a Joint Operating Agreement or something along those lines.


Prior to drilling, the operator should perform a DSTO (drill site title opinion) in order to define working interest obligations for the well. This should require the examination of all OGL’s since a Memo rarely is specific as to formations, depths and other potential limits.