文档介绍：Lesson 3 Before Drilling Can Begin
Mapping—Leasing—Permitting
Before one can begin to drill for oil one must
Know exactly where to locate the drill rig, and be able to describe that location in precise legal terms;
Obtain permission to drill for, and to produce hydrocarbons from the owners of both the surface of the land and the minerals;
Obtain the proper permits from a myriad of government agencies.
烃
无数,极大数量
Lesson 3 Before Drilling Can Begin
Mapping
Land Measurement
Correct legal descriptions of a piece of land are vital to the sale, purchase, mortgaging, and leasing of land.
Accurately plot proposed well locations, and legally describe land ownership, one must have a system of land measurement, which should meets these criteria:
highly accurate, and
relatively easy to work with.
The system used in the United States is the rectangular survey system, the result of a land ordinance passed by Congress in 1785,
Not included in the survey were the 13 former British colonies plus Maine, Kentucky, Tennessee, and later, Texas, which still measure land by “metes and bounds.”
抵押
标准
租用
矩形测量法
Lesson 3 Before Drilling Can Begin
Mapping
Land Measurement
The establishment of a principal meridian and a base line (Figure ).
These principal meridians run in a true north-south direction;
The base lines run east and west at right angles to the meridians.
The point at which the two lines intersect is called the initial point or starting point.
Meridians are named with a notation that names the meridian involved, ., “.” or, “Indian Meridian”.
主子午线
基线
Lesson 3 Before Drilling Can Begin
Mapping
Townships
The legal description of a tract of land is based on a Congressional township, which is an area 6 mi square, and contains 36 mi2. This is 3 steps to make a Congressional township.
lay out the principal meridian and base lines;
The surveyor returns to the starting point and lays out lines north and south every 6 mi on