CN201526057U - Offshore oil pipe and pile hammer driving method penetration monitoring device - Google Patents
Offshore oil pipe and pile hammer driving method penetration monitoring device Download PDFInfo
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- CN201526057U CN201526057U CN2009201093328U CN200920109332U CN201526057U CN 201526057 U CN201526057 U CN 201526057U CN 2009201093328 U CN2009201093328 U CN 2009201093328U CN 200920109332 U CN200920109332 U CN 200920109332U CN 201526057 U CN201526057 U CN 201526057U
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- pile
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- penetration
- hammering
- supervising device
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Abstract
The utility model discloses an offshore oil pip and pile hammer driving method penetration monitoring device. A pipe or pile comprises a pile body and a piling cap arranged at the top end of the pile body, the monitoring device comprises a penetration sensor and a computer control system, the penetration sensor is arranged on the piling cap and records penetrating depth of the pile body, piling processing data recorded by the penetration sensor is transmitted to the computer control system, the recorded data is processed through a penetration control software procedure, and the monitoring device automatically judges whether reasonable mud inlet depth of the drilling pipe or pile is achieved or not according to processing results and then controls a power switch of a hammer. The offshore oil pipe and pile hammer driving method penetration monitoring device can scientifically monitor penetration at real time, guides offshore piling construction processes, and reduces offshore accidents caused by inappropriate pilling of drilling risers.
Description
Technical field
The utility model relates to a kind of offshore oil exploration development technique, especially a kind ofly is used to solve the offshore drilling pile tube and hammers into shape into marine petroleum pipe, the pile monkey of the real-time monitoring of method piling control pile penetration and go into method pile penetration supervising device.
Background technology
At sea in the exploration of oil, it is comparatively general that hammer is gone into the application of method piling technology, the condition that this technology usually adopts control pile penetration (refusing to hammer into shape number) to finish as the piling process.In the practice of construction process, adopt at present the changing value of pile body top absolute altitude and the criterion that the relation between the hammering number of this section in the time is used as controlling pile penetration within a certain period of time.Because the hammering number adopts the artificial counting method based on the frequency of pile hammer, there is bigger sum of errors uncertainty in the prior art, thereby has influence on the accuracy of going into the mud degree of depth and supporting capacity of pile body.Therefore, the control pile penetration monitoring device of a cover science is gone into the application of method piling technology with reasonable more, accurate for hammer.
The utility model content
The technical problems to be solved in the utility model is: the monitoring device that provides a kind of marine petroleum pipe, pile monkey to go into the method pile penetration, it can be monitored in real time to pile penetration, instructs the marine guidance piling work progress.
In order to solve the problems of the technologies described above, the utility model proposes a kind of marine petroleum pipe, pile monkey is gone into method pile penetration supervising device, described pipe or stake comprise the pile follower of pile body and the installing of pile body top, wherein: this supervising device comprises pile penetration sensor and computer control system, described pile penetration sensor is installed on the described pile follower, described pile penetration sensor record pile body depth of penetration, the piling process data of described pile penetration sensor record is delivered to computer control system, by pile penetration control software program recorded data is handled, what whether automatic judgement reached well casing or stake according to result rationally goes into the mud degree of depth, and the power switch of control hammer in view of the above.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device, wherein, described supervising device comprises that also the hammering of the hammering number in the record piling process counts sensor, described hammering is counted sensor and is installed on the described pile follower, the piling process accumulative total hammering number that sensor record is counted in hammering is delivered to computer control system and handles, calculate mean penetration in view of the above, and as another foundation that judges whether to stop to beat.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device, wherein, it is that sensor retainer ring by circulus is mounted on the pile follower that sensor and pile penetration sensor are counted in the hammering of described supervising device, sensor is counted in hammering and the pile penetration sensor is the symmetry installing, sensor is counted in hammering and the pile penetration sensor is installed on the sensor retainer ring, and this sensor retainer ring is fixed in described pile follower by bolting on.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device; wherein; described supervising device also comprises upper sensor protection ring and the lower sensor protection ring that is fixed on the described pile follower; prevent to be damaged to the wireless induction hammering and count sensor and wireless pile penetration sensor in the piling construction process, the sensor as aforementioned retainer ring is fixed between described upper sensor protection ring and the lower sensor protection ring.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device; wherein; described upper sensor protection ring and lower sensor protection ring are the annular metal structure; the external diameter of the two is greater than the external diameter of sensor retainer ring, the big 100～200mm of the described sensor retainer ring of gap ratio between the two height.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device, wherein, sensor is counted in described hammering and the pile penetration sensor is delivered to computer control system by the data that the wireless data receiving system will write down the piling process, and the data wireless transmission range that sensor and pile penetration sensor are counted in described hammering is not more than 200 meters.
Aforesaid marine petroleum pipe, pile monkey are gone into method pile penetration supervising device, and wherein, described pipe is a drilling riser, except riser pipe, can also be the spud legs of platform.
Characteristics of the present utility model and advantage are: the supervising device that marine petroleum pipe of the present utility model, pile monkey are gone into method piling pile penetration has overcome the defective that prior art exists, do not need manual record piling data in the process of drilling riser piling at sea, and write down the piling data automatically by computer system, the drilling riser that can science judgment whether reaches design is gone into the mud degree of depth, both satisfied production requirement, simplified operation procedure again, significantly reduced the work operations amount, save a large amount of activity durations, further saved a large amount of operation on the sea expenses.
Description of drawings
Fig. 1 is the schematic diagram that marine petroleum pipe of the present utility model, pile monkey are gone into an embodiment of method pile penetration supervising device.
Fig. 2 is a concrete schematic diagram of implementing of marine petroleum pipe of the present utility model, the pile monkey sensor retainer ring of going into method pile penetration supervising device.
Fig. 3 is an enforcement control flow chart of the present utility model.
The drawing reference numeral explanation:
1, sensor is counted in pile follower 2, upper sensor protection ring 3, hammering
4, lower sensor protection ring 5, pile penetration sensor 6, sensor retainer ring
7, drilling riser 8, bolt on 9, computer control system
The specific embodiment
Following conjunction with figs. and specific embodiment are described in further detail the specific embodiment of the present utility model.
The utility model proposes a kind of marine petroleum pipe, pile monkey is gone into method pile penetration supervising device, pipe or stake comprise the pile follower of pile body and the installing of pile body top, this supervising device comprises pile penetration sensor and computer control system at least, the pile penetration sensor is installed on the described pile follower, be used to write down the pile body depth of penetration, the piling process data that it write down is delivered to computer control system, by pile penetration control software program recorded data is handled, what whether automatic judgement reached well casing or stake according to result rationally goes into the mud degree of depth, and the power switch of control hammer in view of the above.Each pile penetration of hitting by this pipe of pile penetration sensor monitors or stake, by computer control system the data of being obtained are handled again, and automatically judgement whether reach well casing or stake rationally go into the mud degree of depth, thereby it can scientifically be monitored pile penetration in real time, instruct the marine guidance piling work progress, reduce marine since drilling well every the conduit improper marine accident that causes of driving piles.
In one specific embodiment of supervising device of the present utility model, this supervising device comprises that hammering counts sensor (sense counter), pile penetration sensor (displacement transducer) and computer control system, sensor is counted in hammering and the pile penetration sensor all is installed on the described pile follower, the piling process data that sensor and pile penetration sensor record are counted in hammering is delivered to computer control system, by pile penetration control software program recorded data is handled.Specifically as shown in Figure 1, it is the schematic diagram of this specific embodiment of supervising device of the present utility model.This pile penetration supervising device is used for offshore drilling riser pipe 7, be hammering to be installed count sensor 3 and pile penetration sensor 5 on the pile follower 1 of riser pipe 7, wherein hammering is counted sensor 3 and is used for writing down hammering number in the piling process, and pile penetration sensor 5 is used for writing down the pile body depth of penetration; Then, can be by wired or wireless transmission manner, the data in real time that is recorded is delivered to computer control system 9, by pile penetration control software program the data that recorded are handled, what whether automatic judgement reached drilling riser 7 according to result rationally goes into the mud degree of depth, in this way, then send and stop beating prompting; As not, then continue operation.
As shown in Figure 1, it is that sensor retainer ring 6 by circulus is mounted on the pile follower 1 that sensor 3 and pile penetration sensor 5 are counted in the hammering of this supervising device, in conjunction with shown in Figure 2, sensor 3 is counted in hammering and pile penetration sensor 5 is installed on the sensor retainer ring 6, and this sensor retainer ring 6 is fixed in pile follower 1 by bolting on.In the present embodiment, hammering is counted sensor 3 and pile penetration sensor 5 and is and is symmetrical arranged, and installs and measures with convenient.
Preferably, it is to be delivered to computer control system by the data that wireless system for transmitting data will write down the piling process that sensor 3 and pile penetration sensor 5 are counted in hammering, with convenient installing and operation, and, the data wireless transmission range that sensor 3 and pile penetration sensor 5 are counted in hammering preferably is not more than 200 meters, to guarantee the accuracy of transfer of data.
Count sensor 3 and wireless pile penetration sensor 5 in order to prevent the hammering that in the piling construction process, is damaged to wireless induction; the supervising device of present embodiment also comprises upper sensor protection ring 2 and the lower sensor protection ring 4 that is fixed on the pile follower 1, and sensor retainer ring 6 fixed interval are between upper sensor protection ring 2 and lower sensor protection ring 4.
Further, upper sensor protection ring 2 and lower sensor protection ring 4 are the annular metal structure, and the external diameter of the two is greater than the external diameter of sensor retainer ring 6, the big 100～200mm of height of the gap ratio sensor retainer ring 6 between the two.
Going into the corresponding method for supervising of method pile penetration supervising device with marine petroleum pipe of the present utility model, pile monkey may further comprise the steps:
(A) determine the piling final stage, i.e. piling control pile penetration monitoring starting point, and determine each control pile penetration predicted value e that hits, and set and stop the mark standard at last;
(B) begin to light from the monitoring of piling control pile penetration, monitor each and hit pairing depth of penetration ei, and the data of record are sent to computer control system;
(C) computer control system is handled the acquisition data, obtains each and hits pairing pile penetration e
i, and compare with aforementioned each control pile penetration predicted value e that hits, default to stop mark at last punctual when satisfying, and the computer control control system provides stops beating indication, turn-offs the power switch of hammer.
Further, when each of continuous several times is hit depth of penetration less than a preset value, with this time point as piling control pile penetration monitoring starting point, described preset value is 10～50mm, be preferably 10～20mm, improve the accuracy of control, this preset value can be made as bigger value as need.
In one embodiment, be to be: when each of N continuous time is hit pairing pile penetration e with stopping the mark standard at last
iAll less than aforementioned each control pile penetration predicted value e that hits.The concrete numerical value of N can determine according to marine engineering geology data and/or practical experience, as 10 times, 20 inferior.
In another embodiment of the present utility model, except comparing each control pile penetration of hitting, also mean penetration to be taken into consideration, it may further comprise the steps:
(A1) determine the piling final stage, i.e. piling control pile penetration monitoring starting point, and determine each the control pile penetration predicted value e that hits and mean penetration predicted value e, with as stopping the mark standard at last, and this mean penetration e can make according to refusing the hammer standard;
(B1) begin to light from the monitoring of piling control pile penetration, monitor each and hit pairing depth of penetration e
iAnd add up the hammering number, and the data of record are sent to computer control system;
(C1) computer control system is handled the acquisition data, obtains each and hits pairing pile penetration e
iAnd the mean penetration e of corresponding hammering number
i, and compare with the mean penetration predicted value e of aforementioned each control pile penetration predicted value e that hits and aforementioned setting respectively, work as e
i＜e and e
iWhen＜e satisfies simultaneously, provide and stop beating prompting.
Specifically can be as shown in Figure 3, it is the implementing procedure schematic diagram that marine petroleum pipe of the present utility model, pile monkey are gone into method pile penetration supervising device.
Particularly, in the above-mentioned steps (A1), be to utilize the Ge Erxiewannuofu pile driving formula to control the pile penetration prediction, each control pile penetration predicted value e that hits of the final stage of promptly driving piles is obtained by following formula:
In the formula: each pile penetration of hitting of e-piling final stage, cm;
N-according to pile material and dolly fixed coefficient, piling bar does not have dolly n=50kg/cm when getting
2
A-pile body cross-sectional area, cm
2
Q-hammering blow part weight kg;
The heavy kg of q-stake comprises pile follower, pile follower and hammers non-weight of impacting part into shape;
The K-safety factor, temporary building 1.5, permanent building 2.0;
The H-height of the fall, m;
P
oThe allowable bearing of-stake, kg;
The allowable bearing P of its king-pile
oBe calculated as follows acquisition:
P
o＝πD∑q
sikh
i+q
pkA
In the formula: D-pile body diameter,
q
SikThe per surface frictional resistance standard value of-stake side i layer soil,
h
i-stake side i layer soil thickness,
q
Pk-limit end resistance.
In the step (A1), be to go into mud minimum-depth H according to catheter design
MinAnd the definite piling control of oceanic geotechnical investigation data pile penetration emphasis monitoring starting point, promptly go into the mud depth H according to catheter design
MinConduit when determining piling final stage control pile penetration emphasis monitoring beginning is depth of penetration H
fBe from depth of penetration H in the step (B1)
fBeginning, sensor and pile penetration sensor opening entry data are counted in the hammering that is installed on the pile follower.
In the step (C1), the data that record are sent to computer control system 9 by the wireless transmission mode carry out data and handle, comprise that each hits pairing depth of penetration e
iAnd mean penetration e
iCalculating, concrete computational methods are as follows:
(1) calculates each and hit pairing depth of penetration e
i, satisfy following formula:
e
i＝h
i(i)-h
t(i-1)
Wherein, h
I (i)Be pairing depth of penetration value behind this hammer, h
I (i-1)Be pairing depth of penetration value behind the preceding hammer.
To and e
iCompare with the control pile penetration predicted value e in the step (A1), provide comparative result.
(2) mean penetration is calculated
When the hammering number that records corresponded to (or reaching) some N (hitting as 200), corresponding depth of penetration aggregate-value was h, calculates mean penetration e
i, satisfy following formula:
And compare with the mean penetration e that sets, provide comparative result.If e
i＞e carries out the next round mean penetration and calculates.
At last, for the ease of accurate understanding, be example explanation specific implementation process the utility model is tried out below in certain oil field to the technical solution of the utility model.This marine site, oil field depth of water 132.3m, adopting external diameter is the drilling riser 7 of 24in, and its wall thickness 1in; The water surface to the stake apex distance from being 16m; Pile hammer adopts selected IHCS-90 pile hammer.When adopting the utility model, can implement according to following steps:
Step 1: carry out oceanic geotechnical investigation, obtain following axial stake design parameters: seafloor soil is the per surface frictional resistance standard value q of stake side i layer soil axially
Sik, Mpa; Seafloor soil limit end resistance q
Pk, Mpa.
Step 2: sensor 3 is counted in hammering and pile penetration sensor 5 is installed on the sensor retainer ring 6 according to shown in Figure 1, sensor retainer ring 68 can be fixed between the upper sensor protection ring 2 and lower sensor protection ring 4 of pile follower 1 easily by bolting on.Sensor 3 is counted in hammering and pile penetration sensor 5 signals are delivered to computer control system 9 by wireless transmission method, and carried out system debug, be laying the first stone smoothly of further work.
Step 3: go into mud depth design value H according to this oil field 24in minimum
Min=67.3m, the conduit when determining final stage control pile penetration emphasis monitoring beginning is depth of penetration H
f=57.3m promptly begins monitoring from last 10m; And set and to stop mark standard (mean penetration e=1.5mm, generally adopt 200 to hit/0.3m is as refusing the hammer standard) at last.
Step 4:, utilize the Ge Erxiewannuofu pile driving formula according to pile hammer parameter, conduit parameter, seafloor soil parameter
Final stage control pile penetration is predicted that calculating can get e=1.4mm.
Step 5: when driving depth to about the 57m, begin to count sensor 3 and pile penetration sensor 5 record data and be delivered to computer control system 9 by the hammering of settling.
Step 6: the depth of penetration degrees of data that obtains as double record wherein is: h
I (i)=68.3390mh
I (i-1)=68.3379m is by formula e
i=h
I (i)-h
I (i-1)Can calculate this degree of depth place pile penetration is e
i=1.1mm.E=1.4mm compares with prediction pile penetration value, can get e
i＜e.Depth of penetration is hit when the hammering number that records adds up to 200 from 68.1114m to 68.3390m simultaneously, and corresponding depth of penetration aggregate-value is h=0.2276m, according to formula
Calculate mean penetration e
i=1.1mm is less than the mean penetration e=1.5mm that sets.
Step 7: by step 6 as can be known, e
i＜e and e
i＜e satisfies simultaneously, so, the EP (end of program) of driving piles this moment, final driving depth is 68.3390m.
It should be noted that at last; though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; for example; the utility model is except being used for the offshore oil drilling well; can also be used for bridge on other river and hammer spud leg into shape into construction; the foundation pile of oil tank; building hammer into shape into foundation pile; therefore; any those skilled in the art; the displacement of the equivalent assemblies of having done under the prerequisite that does not break away from design of the present utility model and scope, or equivalent variations and the modification done according to the utility model scope of patent protection, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. a marine petroleum pipe, pile monkey are gone into method pile penetration supervising device, described pipe or stake comprise the pile follower of pile body and the installing of pile body top, it is characterized in that: this supervising device comprises the pile penetration sensor of computer control system and record pile body depth of penetration, described pile penetration sensor is installed on the described pile follower, described pile penetration sensor is connected to described computer control system, and described computer control system connects the power switch of hammer.
2. marine petroleum pipe as claimed in claim 1, pile monkey are gone into method pile penetration supervising device, it is characterized in that, described supervising device comprises that also the hammering of the hammering number in the record piling process counts sensor, described hammering is counted sensor and is installed on the described pile follower, the piling process accumulative total hammering number that sensor record is counted in hammering is delivered to computer control system and handles, calculate mean penetration in view of the above, and as another foundation that judges whether to stop to beat.
3. marine petroleum pipe as claimed in claim 2, pile monkey are gone into method pile penetration supervising device, it is characterized in that, it is that sensor retainer ring by circulus is mounted on the pile follower that sensor and pile penetration sensor are counted in the hammering of described supervising device, sensor is counted in hammering and the pile penetration sensor is the symmetry installing, sensor is counted in hammering and the pile penetration sensor is installed on the sensor retainer ring, and this sensor retainer ring is fixed in described pile follower by bolting on.
4. marine petroleum pipe as claimed in claim 3, pile monkey are gone into method pile penetration supervising device; it is characterized in that; described supervising device also comprises upper sensor protection ring and the lower sensor protection ring that is fixed on the described pile follower, and the sensor as aforementioned retainer ring is fixed between described upper sensor protection ring and the lower sensor protection ring.
5. marine petroleum pipe as claimed in claim 4, pile monkey are gone into method pile penetration supervising device; it is characterized in that; described upper sensor protection ring and lower sensor protection ring are the annular metal structure; the external diameter of the two is greater than the external diameter of sensor retainer ring, the big 100～200mm of the described sensor retainer ring of gap ratio between the two height.
6. marine petroleum pipe as claimed in claim 2, pile monkey are gone into method pile penetration supervising device, it is characterized in that, sensor is counted in described hammering and the pile penetration sensor is delivered to computer control system by the data that the wireless data receiving system will write down the piling process, and the data wireless transmission range that sensor and pile penetration sensor are counted in described hammering is not more than 200 meters.
7. marine petroleum pipe as claimed in claim 1, pile monkey are gone into method pile penetration supervising device, it is characterized in that, described pipe is a drilling riser.
8. marine petroleum pipe as claimed in claim 1, pile monkey are gone into method pile penetration supervising device, it is characterized in that, described pipe is a platform leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201093328U CN201526057U (en) | 2009-06-25 | 2009-06-25 | Offshore oil pipe and pile hammer driving method penetration monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201093328U CN201526057U (en) | 2009-06-25 | 2009-06-25 | Offshore oil pipe and pile hammer driving method penetration monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN201526057U true CN201526057U (en) | 2010-07-14 |
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ID=42517347
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|---|---|---|---|
| CN2009201093328U Expired - Fee Related CN201526057U (en) | 2009-06-25 | 2009-06-25 | Offshore oil pipe and pile hammer driving method penetration monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681008A (en) * | 2011-03-08 | 2012-09-19 | 中国科学院地质与地球物理研究所 | Method and devices for mounting geological prediction radiodetector in tunnel tunneled with TBM (tunnel boring machine) |
| CN111622223A (en) * | 2020-06-11 | 2020-09-04 | 陈如请 | Auxiliary measuring device for perpendicularity of steel piles installed on offshore wind power foundation and using method of auxiliary measuring device |
-
2009
- 2009-06-25 CN CN2009201093328U patent/CN201526057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681008A (en) * | 2011-03-08 | 2012-09-19 | 中国科学院地质与地球物理研究所 | Method and devices for mounting geological prediction radiodetector in tunnel tunneled with TBM (tunnel boring machine) |
| CN111622223A (en) * | 2020-06-11 | 2020-09-04 | 陈如请 | Auxiliary measuring device for perpendicularity of steel piles installed on offshore wind power foundation and using method of auxiliary measuring device |
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|---|---|---|---|
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20160625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |