Invention content
The present invention provides a kind of nearly drill bit multiparameter measuring devices of memory-type, overcome the deficiency of the above-mentioned prior art,
It can effectively solve it is existing rely only on ground survey parameter value carry out Drilling Control existing for parameter it is inaccurate, it is time-consuming and laborious,
The relatively low problem of construction efficiency.
The technical scheme is that realized by following measures:A kind of nearly drill bit measuring multiple parameters dress of memory-type
It sets, including ontology, twist measuring unit, vibration measurement unit, bit pressure measuring unit, storage unit and cover board, described
Body is in hollow shaft, and at least two grooves are circumferentially equipped at intervals in the outer body, corresponding each groove outer fix
The connecting groove being connected between making adjacent grooves is equipped on ontology, groove can be sealed by being installed on each groove
Cover board;The vibration measurement unit is electrically connected with storage unit, and the twist measuring unit includes amplifying circuit and at least
One twist measurement module group, twist measurement module group are electrically connected with amplifying circuit, amplifying circuit and storage unit
Electrical connection, every group of twist measurement module group include that consistent with number of recesses and one-to-one twist measures mould
The twist measurement module of block, every group of twist measurement module group is sequentially connected in series and is separately mounted in corresponding groove;
The bit pressure measuring unit includes at least one bit pressure measurement module group, and bit pressure measurement module group is electrically connected with storage unit, often
Group bit pressure measurement module group includes consistent with number of recesses and one-to-one bit pressure measurement module, every group of bit pressure measurement module
The bit pressure measurement module of group is sequentially connected in series and is separately mounted in corresponding groove, amplifying circuit, memory module and vibration measurement
Unit is mounted in arbitrary groove.
Here is the further optimization and/or improvements to foregoing invention technical solution:
The above-mentioned down-hole power unit that may also include in any groove, down-hole power unit are measured with twist respectively
Unit, vibration measurement unit, the electrical connection of bit pressure measuring unit.
Above-mentioned twist measurement module may include four concatenated torsion measuring strain pieces, each torsion measuring strain piece
It is in 45 degree of angles with axis.
Above-mentioned vibration measurement unit may include vibration processing circuit and vibrating sensor, is equipped at least two grooves
Vibrating sensor, each vibrating sensor are electrically connected with vibration processing circuit, vibration processing circuit and data storage cell electricity
Connection.
Above-mentioned bit pressure measurement module may include two concatenated bit pressure measuring strain pieces, each bit pressure measuring strain piece with
Axis is parallel.
The above-mentioned ontology in each groove outer fix of correspondence is equipped with slot cover, and cover board is fixedly mounted on cover board by screw
In slot, and the outside of cover board is flushed with ontology.
It is above-mentioned that at least one sealing ring is installed between cover board and slot cover.
Structure of the invention is reasonable and compact, easy to use, and the present invention is connected between drill collar and drill bit, with drill string
G.I.H measures drill bit in drilling process by twist measuring unit, vibration measurement unit and bit pressure measuring unit
The torque at place, vibration, bit pressure data are divided after carrying brill in ground progress torque, vibration, the reading of bit pressure data and analysis, foundation
It analyses result and carries out drilling parameter optimization, solve the problems, such as that the existing parameter value by ground survey is inaccurate, improve machinery
Drilling speed and working efficiency, have saved drilling cost.
Specific implementation mode
The present invention is not limited by following embodiments, can be determined according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to Figure of description 1
Butut mode be described, such as:The position relationship of front, rear, top, and bottom, left and right etc. is the cloth according to Figure of description 1
Figure direction determines.
With reference to embodiment and attached drawing, the invention will be further described:
As shown in attached drawing 1,2,3, the nearly drill bit multiparameter measuring device of the memory-type, including ontology 1, twist measuring unit,
Vibration measurement unit, bit pressure measuring unit, storage unit and cover board 2, the ontology 1 are in hollow shaft, in 1 outside of the ontology
Circumferentially be equipped at intervals at least two grooves 3, be equipped on the ontology 1 of corresponding each 3 outer fix of groove make adjacent grooves 3 it
Between the connecting groove 8 that is connected, the cover board 2 that groove 3 can be sealed is installed on each groove 3;The vibration measurement list
Member is electrically connected with storage unit, and the twist measuring unit includes amplifying circuit and at least one twist measurement module
Group, twist measurement module group are electrically connected with amplifying circuit, and amplifying circuit is electrically connected with storage unit, and every group of twist is surveyed
Amount module group includes consistent with 3 quantity of groove and one-to-one twist measurement module, and every group of twist measures mould
The twist measurement module of block group is sequentially connected in series and is separately mounted in corresponding groove 3;The bit pressure measuring unit includes
At least one bit pressure measurement module group, bit pressure measurement module group are electrically connected with storage unit, and every group of bit pressure measurement module group is wrapped
Include consistent with 3 quantity of groove and one-to-one bit pressure measurement module, the bit pressure measurement module of every group of bit pressure measurement module group according to
Secondary to connect and be separately mounted in corresponding groove 3, amplifying circuit, memory module and vibration measurement unit are mounted on arbitrary groove
In 3.
Above-mentioned twist measuring unit is mainly used for measuring the torque data in drilling process at drill bit, and twist is surveyed
Torque data is sent to amplifying circuit and handled by amount module group, and torque data storage unit is sent to after processing and is deposited
Storage, amplifying circuit Pasting is in any one groove 3.Bit pressure measuring unit is mainly used for measuring in drilling process at drill bit
Bit pressure data, and bit pressure data are sent to amplifying circuit and are handled.Vibration measurement unit Pasting is used in groove 3
Measure the vibration data at drill bit in drilling process;Data storage cell Pasting is in groove 3, for storing the torsion measured
Square, vibration, bit pressure data.Here it can increase the quantity of groove 3 according to actual conditions.
Above-mentioned ontology 1 is existing known technology, and screw thread land is equipped on the inside of the top and bottom of ontology 1, is used for
Connect drill collar and drill bit;Connecting groove 8 is for placing connecting wire.
When work, the present invention is connected between drill collar and drill bit, with drill string G.I.H, in drilling process,
Twist measuring unit, vibration measurement unit and bit pressure measuring unit measure torque, vibration, bit pressure number at drill bit in real time
According to, and torque, vibration, bit pressure data are sent to storage unit and stored respectively, after carrying brill data are carried out on ground
It reads and analysis, foundation analysis result carries out drilling parameter optimization;To the present invention by measure in real time underground torque, vibration,
Bit pressure data, continue to optimize drilling parameter, improve rate of penetration and working efficiency, have saved drilling cost.
The nearly drill bit multiparameter measuring device of above-mentioned memory-type can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,3, further include be mounted on any groove 3 in down-hole power unit, down-hole power unit respectively with
Twist measuring unit, vibration measurement unit, the electrical connection of bit pressure measuring unit.
The down-hole power unit is mainly used for as twist measuring unit, vibration measurement unit, bit pressure measuring unit
It is powered, down-hole power unit can be the battery pack formed with battery cascade, and each battery pack at least needs three pieces
Battery connects to meet the work requirements of the present invention.
As shown in attached drawing 1,2,3,4, the twist measurement module includes four concatenated torsion measuring strain pieces 6,
Each torsion measuring strain piece 6 is in 45 degree of angles with axis.
Above-mentioned torsion measuring strain piece 6 is existing known technology, is pasted onto in groove 3 in 45 degree of angles with axis, for surveying
Measure torque data.
As shown in attached drawing 1,2,3, the vibration measurement unit includes vibration processing circuit and vibrating sensor, at least two
Vibrating sensor is installed in a groove 3, each vibrating sensor is electrically connected with vibration processing circuit, vibration processing circuit with
Data storage cell is electrically connected.
Here, vibrating sensor and vibration processing circuit are existing known technology, and vibrating sensor measures at drill bit
Vibration data, and vibration data is sent to vibration processing circuit and is handled, data storage cell progress is sent to after processing
Storage, can be equipped with vibrating sensor in multiple grooves 3 as needed.
As shown in attached drawing 1,2,3,5, the bit pressure measurement module includes two concatenated bit pressure measuring strain pieces 7, each
Bit pressure measuring strain piece 7 is parallel with axis.
Here, bit pressure measuring strain piece 7 is existing known technology, parallel with axis to be pasted onto in groove 3, is bored for measuring
Press data.
As shown in attached drawing 1,2, it is equipped with slot cover in the ontology 1 of each 3 outer fix of groove of correspondence, cover board 2 passes through screw 4
It is fixedly mounted in slot cover, and the outside of cover board 2 is flushed with ontology 1.Here cover board 2 is fixedly mounted on cover board by screw 4
In slot, and the outside of cover board 2 is flushed with ontology 1, can preferably increase the leakproofness of the present invention.
As shown in attached drawing 1,2, at least one sealing ring 5 is installed between the cover board 2 and slot cover.Here exist
Sealing ring 5 is fixedly mounted between cover board 2 and slot cover can preferably increase the leakproofness of invention.
The above technical characteristic constitutes highly preferred embodiment of the present invention, is imitated with stronger adaptability and best implementation
Fruit can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.