초록 ▼

An apparatus and method for obtaining samples of pristine formation or; formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine form

An apparatus and method for obtaining samples of pristine formation or; formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine formation or fluid sample. The apparatus includes at least one extendable gripper element for anchoring the apparatus during testing and sampling operations.

대표청구항 ▼

An apparatus and method for obtaining samples of pristine formation or; formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine form

An apparatus and method for obtaining samples of pristine formation or; formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine formation or fluid sample. The apparatus includes at least one extendable gripper element for anchoring the apparatus during testing and sampling operations. ion, the body portion is pivotally connected with the locking mechanism, and wherein one of the protrusions is mounted on the locking mechanism, and the other protrusion is provided on the free end portion of the rod, thereby the two protrusions are adapted to be inserted into the two grooves so that the body portion of the rod resists against the inclined surface of the stand for the locking mechanism to engage the rod at the locking position without rotating about the body portion thereof. 7. The locking apparatus according to claim 6, wherein the closed end of each of the grooves of the compact computer is tapered, the rod has a pivotal joint provided between the curved free end portion and the body portion thereof, the protrusion provided on the free end portion is a protruding post having a tapered free end. 8. The locking apparatus according to claim 2, wherein the compact computer has two opposing sides and two longitudinal extended grooves formed on the two sides thereof, wherein the blocking device is a rod having two pivotal joints, and a free end portion, a body portion and a portion connected with the locking mechanism which are jointed by the two pivotal joints, the portion connected with the locking mechanism is adapted to telescopically move between the unlocking position and the locking position, the free end portion and the portion connected with the locking mechanism, respectively, is adapted to pivotally rotate with respect to the body portion by the two pivotal joints, wherein the locking apparatus comprises two protrusions, one of the protrusions is provided on the locking mechanism and the other protrusion is provided on the free end portion, each of the two protrusions is a protruding post with a tapered free end which is adapted to be inserted into the two grooves; when the tapered free ends of the two protruding posts are inserted into the closed ends of the two grooves, the body portion of the rod resists against the inclined surface of the stand for the locking mechanism to engage the rod at the locking position. 9. A locking apparatus for securing a compact computer on a stand, in which the compact computer has at least one longitudinal extended groove formed thereon, and the groove has an upper end and a lower end of which the upper end is formed with an opening and the lower end is configured to a tapered closed end; the stand has an inclined surface upwardly extending from a front bottom side thereof, the locking apparatus comprises: a housing having a surface configured complementary to the inclined surface of the stand and the housing is adapted to closely resist against the inclined surface of the stand, the housing has at least one-insertion hole; a locking mechanism provided within the housing; a latching member which is connected with and controlled by the locking mechanism and is convertible between an unlocking position and a locking position; and at least one insertion rod having a protrusion thereon, the protrusion is adapted to be correspondingly inserted into the at least one groove of the compact computer, a cavity is provided on the insertion rod, the insertion rod is adapted to be inserted into the insertion hole of the housing, and the latching member is adapted to be inserted into the cavity of the insertion rod at the locking position. 10. The locking apparatus according to claim 9, wherein the compact computer has two opposing sides and two longitudinal extended grooves formed on the two sides thereof, respectively, wherein the locking apparatus has an insertion assembly including a connecting part having two sides and two insertion rods mounted on the two sides of the connecting part, respectively, each of the insertion rods is provided with a protrusion which is a protruding post with a tapered free end. 11. The locking apparatus according to claim 9, wherein the compact computer has two opposing sides and two longitudinal extended grooves formed on the two sides ther