Method for injecting heat storage material to exploit hydrates in horizontal well
A heat storage material and hydrate technology, which is applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc., can solve the problems of heat injection pipelines increasing the difficulty of well completion, large heat loss, and small action range, etc., to achieve The effects of continuous and efficient gas production, increased decomposition rate, and reduced loss along the process
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[0019] Below in conjunction with the examples, the specific implementation of the present invention will be further described in detail. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0020] A method for injecting heat storage materials into horizontal wells to extract hydrates according to the present invention comprises the following steps:
[0021] S1. In the production well, the heat storage material and ceramsite are injected into the formation together, and at the same time, in the auxiliary well, the heat storage material is continuously injected into the formation to play the role of perforation;
[0022] S2. When the production well starts to depressurize and produce, negative pressure is generated inside the wellbore, and the heat storage material and ceramsite that originally entered the reservoir migrate and accumulate in the direction of the wellbore under the action of negat...
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