| 主权项 |
1. A well test assembly sized for use in a slim-hole of a subterranean well, the assembly comprising:
an inner moveable sleeve, the inner moveable sleeve comprising an elongated annular member having an inner circulation port and an inner fluid passage port; an outer housing, the outer housing comprising an elongated annular member circumscribing the inner moveable sleeve and having a first outer circulation port, an outer fluid passage port, and a second outer circulation port; a middle sleeve located between the inner moveable sleeve and the outer housing, the inner moveable sleeve having a middle circulation port in fluid communication with the inner circulation port and the first outer circulation port when the assembly is in a lowering position, a middle fluid passage in fluid communication with the inner fluid passage port and the outer fluid passage port when the assembly is in a collection position, and a fluid injection port in fluid communication with the second outer circulation port when the assembly is in a retrieval position; a packer assembly sealing an annulus between the middle sleeve and an inner diameter of the slim-hole when the assembly is in a setting position; and a fluid sample chamber in fluid communication with the inner fluid passage port, middle fluid passage, and the outer fluid passage port when the assembly is in the collection position. |
